happen vi. 1.发生,〔口语〕出现。 2.〔后接不定式〕偶然…,碰巧… (to do)。 Do you happen to remember his name 你还记得他的名字吗? If anything should happen to me ... 万一我有不幸…。 It (so) happened that... 偶然,…碰巧。 No matter what [whatever] happens 不管发生什么事,不管出现甚么情况。 as it happens 碰巧 (As it happens, I have left the book at home. 偏巧我把书放在家里了)。 be likely to happen 可能要发生。 happen in 〔美国〕偶然到…(来)。 happen in with 偶然和…碰见。 happen on [upon] 偶然看到[碰到、想到]。 happen what may 无论发生甚么事,不管怎样。