1N-COUNT 不诚实的人;无赖;恶棍 If someone calls a man a knave, they mean that he is dishonest and should not be trusted. 不诚实的人;无赖;恶棍 [old-fashioned, disapproval]
2N-COUNT (纸牌游戏中jack的另一种说法) In card games, knave is another word for jack. (纸牌游戏中jack的另一种说法) [mainly British]