a)come across somebody/somethingCHANCE/BY CHANCE to meet, find, or discover someone or something by chance 偶遇某人/某物;偶然发现某人/某物
I came across an old diary in her desk.
我在她的书桌里发现了一本旧日记。
I’ve never come across anyone quite like her before.
以前我从未遇到过像她那样的人。
We’ve come across a few problems that need resolving.
我们碰到了几个问题,需要解决。
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In written English, people often use encounter when writing about problems or difficulties because this sounds more formal than come across: 在书面英语中,人们在描写遇到问题或困难时,常常使用encounter,因为该词听起来比come across正式
The team of researchers had encountered similar problems before.
研究小组以前也碰到过类似问题。
b)if an idea comes across well, it is easy for people to understand 被理解
Your point really came across at the meeting.
会上你的观点大家都非常明白了。
c)if someone comes across in a particular way, they seem to have particular qualities 给人的印象是…SYN come over
as
He comes across as a very intelligent sensitive man.
他给人的印象是非常聪明且体贴。
She sometimes comes across as being rather arrogant.
有时她给人的印象相当傲慢。
I don’t think I came across very well (=seemed to have good qualities) in the interview.