In addition to the uses shown below, across is used in phrasal verbs such as ‘come across’, ‘get across’, and ‘put across’.
除下列用法外，across还可用于come across, get across和put across等短语动词中。
1
[PREP 介词]从一边到另一边 If someone or something goes across a place or a boundary, they go from one side of it to the other.
[ADV after v]
She walked across the floor and lay down on the bed...
她走过地板躺在了床上。
He watched Karl run across the street to Tommy.
他看着卡尔向街对面的汤米跑去。
...an expedition across Africa.
横穿非洲的探险
Across is also an adverb.
Richard stood up and walked across to the window.
理查德站起身走到了窗边。
2
[PREP 介词]横跨；横过；穿过 If something is situated or stretched across something else, it is situated or stretched from one side of it to the other.
...the floating bridge across Lake Washington in Seattle...
横跨在西雅图华盛顿湖上的浮桥
He scrawled his name across the bill...
他在账单上草草地签了名。
Lucy had strung a banner across the wall saying 'Welcome Home Daddy'.
露西在墙上挂了一条横幅，上面写着“欢迎爸爸回家”。
Across is also an adverb.
Trim toenails straight across using nail clippers.
用指甲刀逐个修剪脚趾甲。
3
[PREP 介词]（放置或覆盖）在…上 If something is lying across an object or place, it is resting on it and partly covering it.
She found her clothes lying across the chair...
她发现自己的衣服堆放在椅子上。
The wind pushed his hair across his face.
他的发丝随风拂面。
4
[PREP 介词]在…对过；在…对面 Something that is across something such as a street, river, or area is on the other side of it.
Anyone from the houses across the road could see him...
马路对面房子里的任何一个人都能看见他。
When I saw you across the room I knew I'd met you before.
我在房间那头看见你时就知道我曾见过你。
Across is also an adverb.
They parked across from the Castro Theatre...
他们将车停在了卡斯特罗剧院对面。
He pulled up a chair and sat down across from Michael.
他拉过一把椅子，坐在了迈克尔的对面。
5
[ADV 副词]朝；向 If you look across at a place, person, or thing, you look towards them.
[ADV after v]
He glanced across at his sleeping wife...
他朝熟睡的妻子看了一眼。
She rose from the chair and gazed across at him.
她从椅子上站起身，远远地看着他。
...breathtaking views across to the hills.
山那边令人叹为观止的美景
6
[PREP 介词]（表情展露）在（脸）上 You use across to say that a particular expression is shown on someone's face.
An enormous grin spread across his face...
他咧着大嘴笑了。
For a moment a shadow seemed to pass across Roy's face.
一瞬间罗伊脸上似乎闪过一丝忧伤。
7
[PREP 介词]（打）在（脸、头等部位）上 If someone hits you across the face or head, they hit you on that part.
Graham hit him across the face with the gun.
格雷厄姆用枪击打他的脸部。
8
[PREP 介词]在…各处；遍及 When something happens across a place or organization, it happens equally everywhere within it.
The film 'Hook' opens across America on December 11...
电影《铁钩船长》12月11日在美国全线上映。
Thousands of farmers from across Europe have held a huge demonstration in the centre of Brussels...
来自欧洲各地的数千农民在布鲁塞尔市中心举行了大规模的示威游行。
2,000 workers across all state agencies are to be fired by March 31st.
2,000名分属各个国家机关的工作人员将在3月31日前被解雇。
9
[PREP 介词]超越，跨越（政治、宗教、社会隔阂等） When something happens across a political, religious, or social barrier, it involves people in different groups. across the board→see:
board
；
...parties competing across the political spectrum...
政治纷争中的各党派
We want to promote cosmetics that appeal across the colour barrier.
我们想推销各种肤色的人都喜欢的化妆品。
10
[ADV 副词]（测量时）宽…Across is used in measurements to show the width of something.
[amount ADV]
This hand-decorated plate measures 30cm across...
这个手绘盘子直径为30厘米。
The snails are no larger than one centimetre across.
这些蜗牛体宽不超过1厘米。
Oxford
across★/əˈkrɒs; NAmEəˈkrɔːs;əˈkrɑːs/
adverb
,
preposition
adverb★HELPFor the special uses of acrossin phrasal verbs, look at the entries for the verbs. For example come acrossis in the phrasal verb section at come.*across 在短语动词中的特殊用法见有关动词词条。如 come across 在词条 come 的短语动词部份。 1★from one side to the other side 从一边到另一边；横过；宽◆It's too wide. We can't swim across.这太宽了，我们游不过去。◆The yard measures about 50 feet across.庭院宽约 50 英尺。2★in a particular direction towards or at sb/sth 从…的一边向…◆When my name was called, he looked across at me.当叫到我名字的时候，他从那边朝我看过来。3★across fromopposite 在对面；在对过◆There's a school just across from our house.有一所学校就在我们房子对面。4(of an answer in a crossword纵横字谜谜底)written from side to side 横写的◆I can't do 3 across.我猜不出第 3 格横写的谜底。preposition★1★from one side to the other side of sth 从…一边到另一边；横过◆He walked across the field.他走过田地。◆I drew a line across the page.我在这一页上画了一条横线。◆A grin spread across her face.她粲然一笑。◆Where's the nearest bridge across the river?过河最近的桥在哪儿？2★on the other side of sth 在…对面；在…对过◆There's a bank right across the street.街对面就有一家银行。3on or over a part of the body 在（身体某部位）上◆He hit him across the face.他打了他的脸。◆It's too tight across the back.背部太紧。4in every part of a place, group of people, etc. 在…各处；遍及SYN
throughout
◆Her family is scattered across the country.她家中的人散居全国各地。◆This view is common across all sections of the community.该社区所有阶层的人普遍持有这种看法。across/əˈkrɒs; NAmEəˈkrɔːs;əˈkrɑːs/
1from one side of something to the other: the first flight across the Atlantic They ran straight across the road (=without stopping). We’ll have to swim across. We’d got halfway across before Philip realized he’d left his money at home. We gazed across the valley.2towards someone or something on the other side of an area: There’s Brendan. Why don’t you go across and say hello?across to/at The referee looked across at his linesman before awarding the penalty. He walked across to where I was sitting.3used to say that something exists or reaches from one side of an area to the other: a deep crack across the ceiling the only bridge across the river Do you think this shirt is too tight across the shoulders? Someone’s parked right across the entrance to the driveway.4on the opposite side of something: My best friend lives across the road. He knew that just across the border lay freedom.across (something) from somebody/something Across the street from where we’re standing, you can see the old churchyard. the woman sitting across from me (=opposite me) on the train5in every part of a country, organization etc: a TV series that became popular across five continents Teachers are expected to teach a range of subjects right across the curriculum.6used to show how wide something isten feet/five metres etc across The river is 2 kilometres across.