[N-COUNT 可数名词]老鼠;耗子 A rat is an animal which has a long tail and looks like a large mouse.
This was demonstrated in a laboratory experiment with rats.
在实验室用老鼠进行的实验证明了这一点。
...a rat-infested derelict building.
鼠灾泛滥的废弃建筑
2
[N-COUNT 可数名词]卑劣的人;不忠实的人;小人 If you call someone a rat, you mean that you are angry with them or dislike them, often because they have cheated you or betrayed you.
[disapproval]
[INFORMAL 非正式]
What did you do with the gun you took from that little rat Turner?
你是怎么处理从那个叫特纳的小叛徒手里得到的枪的?
3
[VERB 动词]告密;出卖 If someone rats on you, they tell someone in authority about things that you have done, especially bad things.
[V on n]
[INFORMAL 非正式]
They were accused of encouraging children to rat on their parents.
他们被指控唆使儿童告发自己的父母。
4
[VERB 动词]违约;食言 If someone rats on an agreement, they do not do what they said they would do.
[V on n]
[INFORMAL 非正式]
She claims he ratted on their divorce settlement.
她声称他违反了他们的离婚协议。
5
[PHRASE 短语]怀疑有问题;发现不对头;有所警觉 If you smell a rat, you begin to suspect or realize that something is wrong in a particular situation, for example that someone is trying to deceive you or harm you.
[V inflects]
If I don't send a picture, he will smell a rat...
如果我不寄出照片,他将有所察觉。
Though Lloyd George's behaviour seemed curious, Haig still did not smell a rat.
尽管劳埃德·乔治的行为古怪,黑格仍然没有任何怀疑。
Oxford
rat/ræt; NAmEræt/
noun
,
verb
ratratsrattedrattingnoun1a small animal with a long tail, that looks like a large mouse, usually considered a pest(= an animal which is disliked because it destroys food or spreads disease) 老鼠;耗子◆rat poison老鼠药☞compare
rug rat
2( informal,disapproving) an unpleasant person, especially one who is not loyal or who tricks sb 讨厌的人;卑鄙的小人;骗子IDIOMsee
sink
v.,
smell
v.verb(-tt-)PHRASAL VERBSˈrat on sb(NAmE alsorat sb out (to sb))( informal,disapproving) to tell sb in authority about sth wrong that sb else has done 泄漏秘密;告密◆Where I come from, you don't rat on your friends.在我的老家,谁都不出卖朋友。ˈrat on sth( BrE) ( informal) to not do sth that you have agreed or promised to do 背弃做某事的诺言SYN
renege
◆The government is accused of ratting on its promises to the unemployed.政府被指责对失业者背信弃义。rat sb↔out (to sb)( especially NAmE) ( informal,disapproving) = rat on sb◆Someone ratted us out to the police.有人向警方告发了我们。rat/ræt; NAmEræt/
LDC
rat1 noun
rat2 verb
ratrat1 /ræt/ ●●○ noun [countable]
Word Origin
Examples
Thesaurus
Collocations
Phrases
1an animal that looks like a large mouse with a long tail2spoken someone who has been disloyal to you or deceived you: But you promised to help us, you rat!3look like a drowned rat to look very wet and uncomfortable4(like) rats leaving the sinking ship used to describe people who leave a company, organization etc when it is in trouble →
rat race
, rats
, → smell a rat
at smell2(7)
rat1 noun
rat2 verb
ratrat2 verb (past tense and past participle ratted, present participle ratting) [intransitive] informal
Verb Table
Examples
Thesaurus
Collocations
Phrases
1if someone rats on you, they tell someone in authority about something wrong that you have doneSYN grassrat on They’ll kill you if they find out you’ve ratted on them!2British English to not do what you had promised to doSYN go back on, renege onrat on He accused the government of ratting on its promises to the disabled.rat out American English informalif someone rats you out, they are disloyal to you, especially by telling someone in authority about something wrong that you have done: You can’t rat out your teammates.
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