3. 七彩网·英语单词大全
巧遇，偶然发现；
1. 碰巧碰上[发现]：happen in with 偶然和...碰见 | happen upon 碰巧碰上[发现] | happen on 碰巧碰上[发现]
happen upon的翻译
verb
1. find unexpectedly
e.g. the archeologists chanced upon an old tomb
she struck a goldmine
The hikers finally struck the main path to the lake
Synonym: fall uponstrikecome uponlight uponchance uponcome acrosschance onattaindiscover