/ˈdevl ||; ˈdɛvḷ/noun[C] 1 the Devil the most powerful evil being, according to the Christian, Jewish and Muslim religions 魔鬼；撒旦 ☞Look at Satan. 参看Satan。
2 an evil being; a spirit 魔鬼；恶魔
3 (spoken 口语) a word used to show pity, anger, etc when you are talking about a person （谈到某人时用以表示怜悯、愤怒等）家伙，人: The poor devil died in hospital two days later. 那可怜的家伙两天后在医院死去。Those kids can be little devils sometimes. 那些孩子有时候会有点儿淘气。
be a devil used to encourage sb to do sth that he/she is not sure about doing （用于鼓励某人去干其拿不定主意的事）:
Go on, be a devil -- buy both of them. 买吧，别犹豫──把这两样都买下来。 speak/talk of the devil used when the person who is being talked about appears unexpectedly （指说到某人，某人突然出现）说曹操，曹操就到