happen upon
偶然碰到(偶然发现)
例句与用法:
At the meeting I happened upon an old friend I had not seen for years.
在会议上我遇见了一位多年不见的老朋友。
词形变化:
动词过去式: happened |
动词过去分词: happened |
动词现在分词: happening |
动词第三人称单数: happens |
happen uponhappen upon1.■巧遇, 偶然发现He happened upon the perfect solution to the problem just as he was about to give up his research.正当他要放弃自己的研究时, 他偶然发现了解决这个问题的最佳方案。I happened upon an old friend of mine at the gate of the park.我在公园门口偶然碰到一位老朋友。
happen upon1.■= happen on