stab /stæb/ I. vi. & vt. 戳,刺:She was stabbed several times in the chest. 他胸部被刺好几次。He was jailed for fifteen years for stabbing his wife to death. 因把妻子刺死而蹲牢15年。stab  in the back 对信任你的人加害:Jane promised to support me at the meeting, but then she stabbed me in the back by supporting David instead.简向我保证在会上支持我,可是到时候她又转而支持戴维,在我背后捅了一刀。‖II. n. c 刺,戳:a stab in the back 伤口;背后一刀;诽谤:She had a deep stab in the back.她的背部有一处很深的刺伤。