come across

基本解释

In Poland soldiers and policemen can retire after just 15 years, so it is possible to come across 33-year-old retirees.
在波兰，士兵和警察只需要工作15年后就可以退休，因此在街上偶遇33岁的退休人士是绝对可能的。
And even though these things can come across-- can come apart slightly under certain scenarios, those details won't matter for what we're about to turn to.
即便这些东西-，在特定情况下不完全同时发生，这些细节不会干扰到我们将要探讨的问题。
We are able to talk about the fact that two plus one equals three, but it's not as though we ever come across numbers-- number three itself--anywhere in the empirical world.
我们可与去探讨,二加一等于三的这个事实,但是我们不可能有一天真的碰到数字,在现实世界中碰到个叫"数字三"的东西

(SPEAKING) They have come to Washington from across the country in a combative mood with one mission in mind - to stop President Obama's health care bill.
And even though these things can come across-- can come apart slightly under certain scenarios, those details won't matter for what we're about to turn to.
即便这些东西-,在特定情况下不完全同时发生，这些细节不会干扰到我们将要探讨的问题。
耶鲁公开课 - 死亡课程节选
These insurance contracts have come across gradually through time as we develop the theory and-- I'll talk about the growth of insurance and about some of the components of it.
随着保险理论的发展,保险合约逐渐被人们认同,下面我要讲一下保险的发展历程,以及其中一些值得关注的部分
耶鲁公开课 - 金融市场课程节选

Did these candidates come across - I know I'm asking you for your impression, but did they come across as if they were pandering?
NPR: Republicans Reach Out to Latinos in Univision Debate

If you come across something or someone, you find them or meet them by chance.
If someone or what they are saying comes across in a particular way, they make that impression on people who meet them or are listening to them.