[N-COUNT 可数名词](以手势、声音、行动等发出的)信号，暗号 A signal is a gesture, sound, or action which is intended to give a particular message to the person who sees or hears it.
They fired three distress signals...
他们发射了3次求救信号。
As soon as it was dark, Mrs Evans gave the signal...
天一黑，埃文斯夫人就发出了信号。
You mustn't fire without my signal.
没我的信号不许开枪。
2
[VERB 动词](用手势、声音等)发信号，发暗号，示意 If you signal to someone, you make a gesture or sound in order to send them a particular message.
[V prep/adv]
[V that]
[V n]
[Also V]
The United manager was to be seen frantically signalling to McClair...
一会儿可以看到曼联主教练拼命地朝麦克莱尔示意。
He stood up, signalling to the officer that he had finished with his client...
他站起身，向警察示意他和他的当事人已经谈完了。
She signalled a passing taxi and ordered him to take her to the rue Marengo.
她招手打了一辆路过的出租车，让司机载她去马伦戈街。
3
[N-COUNT 可数名词]迹象；信号；预示 If an event or action is a signal of something, it suggests that this thing exists or is going to happen.
[with supp]
Kurdish leaders saw the visit as an important signal of support...
库尔德领导人将这次访问视作一种表示支持的重要信号。
The first warning signals came in March...
第一次警示出现在3月份。
The Red Cross said it is withdrawing its staff until they receive clear signals from all sides that their presence is welcomed.
红十字会称他们正在撤回所属职员，直到各方都明确表示欢迎他们的存在。
4
[VERB 动词]预示；表明；显示 If someone or something signals an event, they suggest that the event is happening or likely to happen.
[V n]
[V wh]
She will be signalling massive changes in energy policy...
她将暗示能源政策会有重大变化。
Britain was signalling its readiness to have the embargo lifted...
英国表示愿意取消贸易禁令。
The outcome of that meeting could signal whether there truly exists a political will to begin negotiating.
那次会议的结果会表明是否真正存在想要开始谈判的政治意愿。
5
[N-COUNT 可数名词](铁路上的)指示灯，信号灯 A signal is a piece of equipment beside a railway, which indicates to train drivers whether they should stop the train or not.
6
[N-COUNT 可数名词](传输信息的无线电、光波或电流)信号 A signal is a series of radio waves, light waves, or changes in electrical current which may carry information.
...high-frequency radio signals.
高频无线电信号
7
[ADJ 形容词]重大的；显要的；非凡的 You use signal to describe a success or failure when you are emphasizing the fact that it has occurred and are indicating that the consequences are significant.
[ADJ n]
[emphasis]
His final round was a signal triumph in a career marked by many sweet moments.
最后一场比赛的胜利在他充满欣喜的职业生涯中具有非凡的意义。
...John Major's signal failure to grab America's attention.
约翰·梅杰显然没有能够引起美国的注意
signally
...a demoralised party which its leader signally failed to reassure.
该政党士气低落，而其领袖丝毫未能安定人心
Oxford
sig·nal★/ˈsɪɡnəl; NAmEˈsɪɡnəl/
noun
,
verb
,
adjective
signalsignalssignalledsignaledsignallingsignalingnoun★1★a movement or sound that you make to give sb information, instructions, a warning, etc. 信号；暗号SYN
sign
◆a danger/warning/distress, etc. signal危险、警告、遇难等信号◆At an agreed signal they left the room.收到约定的信号后，他们离开了房间。◆The siren was a signal for everyone to leave the building.警报器一响，就是要所有人离开大楼。◆When I give the signal,run! 我一发信号，你就跑！◆( NAmE) All I get is a busy signalwhen I dial his number (= his phone is being used).我什么时候拨他的电话听到的都是忙音。◆hand signals(= movements that cyclistsand drivers make with their hands to tell other people that they are going to stop, turn, etc.) 骑车人和驾车人的示意手势☞see also
turn signal
2★an event, an action, a fact, etc. that shows that sth exists or is likely to happen 标志；预示；信号SYN
indication
◆The rise in inflation is a clear signalthat the government's policies are not working. 通货膨胀率的上升清楚地表明，政府的政策不起作用。◆Chest pains can be a warning signalof heart problems. 胸部疼痛可能是心脏病的警告信号。◆Reducing prison sentences would send the wrong signalsto criminals. 减刑会向犯罪分子发出错误的信息。☞synonyms at
sign
3★a piece of equipment that uses different coloured lights to tell drivers to go slower, stop, etc, used especially on railways/railroads and roads （尤指铁路和公路上的）指示灯，信号灯，红绿灯◆traffic signals交通信号灯◆a stop signal停车信号4★a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile/cell phone （传输声音、图像或其他信息的电波）信号◆TV signals电视信号◆a high-frequency signal高频信号◆a radar signal雷达信号◆to detect/pick up signals探测╱收到信号◆to emit a signal发射信号◆I couldn't get a signalon my cell phone. 我的手机接收不到信号了。verb★(-ll-,US-l-)1★[intransitive , transitive ]to make a movement or sound to give sb a message, an order, etc. 发信号；发暗号；示意◆Don't fire until I signal.等我发出信号后再开枪。◆Did you signal before you turned right?右转弯前你示意了吗？signal(to sb) (for sth) ◆He signalled to the waiter for the bill.他示意服务员结账。signalto/for sb to do sth ◆He signalled to us to join him.他示意要我们去他那儿。signalsb to do sth ◆She signalled him to follow.她示意他跟她走。signalsth ◆The referee signalled a foul.裁判鸣哨示意犯规。signal(that)… ◆She signalled (that) it was time to leave.她示意该走了。signalwhich, what, etc… ◆You must signal which way you are going to turn.你要朝哪个方向转，必须发出信号。2[transitive ]signalsth to be a sign that sth exists or is likely to happen 标志；表明；预示SYN
indicate
◆This announcement signalled a clear change of policy.这个声明显示政策有明显的改变。◆The scandal surely signals the end of his political career.毫无疑问，这桩丑闻预示他的政治生涯就此结束。3[transitive ]to do sth to make your feelings or opinions known 表达；表示；显示signalsth ◆He signalled his discontent by refusing to vote.他拒绝投票以示不满。signal(that)… ◆She has signalled (that) she is willing to stand as a candidate.她表示愿意作为候选人参加竞选。adjective[only before noun ]( formal) important and noticeable 重大的；显要的◆a signal honour极大的荣誉▶sig·nal·ly/ˈsɪɡnəli; NAmEˈsɪɡnəli/adverb◆They have signally failed to keep their election promises.他们显然没有履行自己的竞选承诺。sig·nal/ˈsɪɡnəl; NAmEˈsɪɡnəl/sig·nal·ly/ˈsɪɡnəli; NAmEˈsɪɡnəli/
LDC
signal1 noun
signal2 verb
signal3 adjective
signalsig‧nal1 /ˈsɪɡnəl/ ●●●S2W2 noun [countable]
Word Origin
Examples
Thesaurus
Collocations
Phrases
Word family
1a sound or an action that you make in order to give information to someone or tell them to do somethingsignal (for somebody) to do something When she got up from the table, it was obviously the signal for us to leave. At a prearranged signal the lights went out. →
smoke signal
► see thesaurus at
sign
2an event or action that shows what someone feels, what exists, or what is likely to happensignal (that) These results are a signal that the child may need special help.signal of The opinion poll is a clear signal of people’s dissatisfaction with the government. the danger signals of a heart attacksend/give out a signal We don't want to give out the wrong signal to investors.3a series of light waves, sound waves etc that carry an image, sound, or message, for example in radio or televisionsend/transmit a signal This new pay-TV channel sends signals via satellite to cable companies.receive/pick up/detect a signal a small antenna which can receive radio signals The coastguard picked up a distress signal from a freighter 50 miles out at sea.4a piece of equipment with coloured lights, used on a railway to tell train drivers whether they can continue or must stop: a stop signal a signal failure (=when these lights do not work) → busy signal
at busy1(4)
COLLOCATIONS– Meaning 2ADJECTIVES/NOUN + signala clear/strong signal· My body was giving me a clear signal that something was wrong.a warning/danger/alarm signal (=a signal showing that there is danger)· Managers should keep a watchful eye open for the danger signals.the wrong signals (=ones that do not give a true account of a situation)· Reducing the penalty for marijuana use perhaps sends the wrong signal to teenagers.mixed signals (=ones that are confusing because they seem to show two different things)· Our culture gives girls mixed messages about food, with skinny models and fast-food commercials competing for attention.verbssend/give out a signal· The use of the army sends out a clear signal to protesters that their actions will not be tolerated.read the signals (=to understand signals correctly)· President Nixon read the signals and decided it was time to resign.COLLOCATIONS– Meaning 3verbssend (out)/transmit a signal· The signals are transmitted via satellites.emit a signal (=sends one out)· The device emits a signal which can be picked up by a submarine.receive/pick up a signal· The antenna that will pick up the signals is a 12-metre dish.carry a signal (=allow it to travel along or through something)· Copper wires carry the electrical signals.a signal travels (=goes across space, along a wire etc)· The signal travels over the cable network.ADJECTIVES/NOUN + signalstrong· I can’t use my phone because the signal isn’t strong enough here.weak/faint· The signals were too weak for the receiver to pick up.a radio/electrical/radar signal· A transmitter connected to the door bell sends radio signals to a portable receiver.a digital signal· Digital signals can be compressed to take up less space.
signal1 noun
signal2 verb
signal3 adjective
signalsignal2 ●○○ verb (past tense and past participle signalled, present participle signalling British English, signaled, signaling American English)
Verb Table
Examples
Thesaurus
Collocations
Phrases
Word family
1[intransitive, transitive] to make a sound or an action in order to give information or tell someone to do something: She signalled, and the waiter brought the bill. The whistle signalled the end of the match.signal at Mary signalled wildly at them, but they didn’t notice.signal to The judge signaled to a police officer and the man was led away.signal for He pushed his plate away and signalled for coffee.signal (to) somebody to do something She signalled to the children to come inside.signal that The bell signaled that school was over.2[transitive] to make something clear by what you say or do – used in news reports: Both sides have signaled their willingness to start negotiations. British sources last night signalled their readiness to talk.signal (that) The prime minister’s speech today signals that there will be a shakeup in the cabinet.3[transitive] to be a sign that something is going to happensignal the start/beginning/end of something the lengthening days that signal the end of winter4[intransitive] to show the direction you intend to turn in a vehicle, using the lightsSYN indicate American English: Signal before you pull out.
signal1 noun
signal2 verb
signal3 adjective
signalsignal3 adjective [only before noun] formal
Word Origin
Examples
Collocations
Phrases
importantsignal achievement/success/failure etc The university has done me the signal honour of making me an Honorary Fellow.
WDF
signal
[ˈsɪgnəl]signalled, signalling, signals
CET4CET6TEM4考研GREIELTS
n2089
18231
2641
3293
4934
2423
4940
v3827
7806
759
1755
1821
1437
2034
NOUN1651
865106
VERB5330
168833
Spoken:
119640723
signalled[200] signalling[346] signals[7791]
信号(96%)，标志(3%)，显著的(1%)
n.信号；暗号；导火线
adj.显著的；作为信号的
vt.标志；用信号通知；表示
vi.发信号
n.(Signal)人名；(瑞典)西格纳尔
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