thief /θi:f/ n. (pl.thieves)贼：the trick of a thief crying stop thief 贼喊捉贼的伎俩 The thief is wanted by the police.那小偷被警察通缉。Be on your guard against thieves. 谨防小偷。The thief was trapped by the police in an old house.小偷被警察困在一所旧房子里。The thief struck while the family were out.这家人外出时盗贼偷窃了他们家。