happenvi.1. (偶然)发生A funny thing happened.发生了一件好笑的事.2. 碰巧[W][+to-v]I happened to sit by her in the cinema.在电影院我碰巧坐在她旁边.3. 【美】碰巧来(或去);偶然出现[(+by/past/in/into)]WHAT ...