1. 偶然遇見，碰見（=run across）
Where did you come [run] across her? 你在那兒碰到她的?
I’ve just come across a beautiful poem in this book. 我在這本書里偶然發(fā)現(xiàn)一首優(yōu)美的詩。
2. 被理解，被傳達（=come over）
He spoke for a long time but his meaning did not really come across. 他講了很長時間，但他的意思沒有人真正理解。
3. 使人產(chǎn)生某種印象（=come over）
Your speech came across very well. 你的演說相當(dāng)受歡迎。
He came across as sympathetic / a sympathetic person. 他給人以有同情心的印象。
注意以下用法，它不是習(xí)語，其中的across為副詞，表示“在另一邊”：
Come across to my office this afternoon. 你今天下午到我辦公室來一趟。