Come across
to meet or find (something or someone) by chance
无意中, 遇到、发现
I came across this important information while doing research for my paper.我在搜索论文资料时, 无意中发现了这个重要的信息。
We came across our neighbors at the movie theatre.我们在电影院偶遇了我们的邻居。
to seem to have a particular quality or character : to make a particular impression— usually + as
看上去似乎有某种特征
He came across as a nice guy.他看上去似乎是一个好人。
She comes across as a really innocent girl, but in reality she’s definitely been around the block.她看上去是一个纯真的少女, 但实际上跟多个男人发生了关系。
生活对话模拟：
Betty: I can’t believe we came across your boss at the mall today.我真不敢相信今天在商场遇到了你的老板。
Sam: Yeah that was awkward. But, what did you think of her?是呀,好尴尬。你觉得她如何?
Betty: Well, actually she came across as a pretty friendly person.还行呀,看上去是一个很友善的人。
Sam: Don’t be fooled. She comes across as a nice woman, but in reality she’s a walking nightmare!别被骗了。她看上去是不错, 但实际上是一个成真的噩梦。
今天和大家分享了两个 come across 相对常用的表达：1. 表示偶遇、发现。比如：come across a problem 2. 某人看上去似乎是。比如 come across as a good speaker.
英语君Sam短语分级（口语）：
日常需熟练且高频地使用。
同五颗星，频率稍低一些。
日常偶尔使用，可用于替换同义高频短语。
可以不用，但是一定要听懂。注意：这类词语可能是写作中的大词，如果写作有需要，必须记忆。
