an unusual part of someone's personality or habit , or something that is strange and unexpected
发音
例句
1. He had a strange quirk of addressing his wife as Mrs Smith. 他很怪,把自己的妻子称作史密斯夫人。 2. The most annoying quirk of his is wearing a cap all the time. 他最令人感到厌恶的怪癖就是无论何时都戴著帽子。