happen upon 详细解释

happen upon

偶然碰到(偶然发现)

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 |

英英释义

动词 happen upon:

find unexpectedly

同义词：fall upon, strike, come upon, light upon, chance upon, come across, chance on, attain, discover

补充

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。

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