中英成語俚語800對022：變幻莫測

　　中英成語俚語800對022：變幻莫測

　　變幻莫測

　　The unexpected always happens.

　　eg：Be prepared for the worst as the unexpected always happens.

　　同義詞：天有不測風(fēng)云 Though the sun shines, leave not your cloak at home.

　　反義詞：一成不變 Hard and fast.