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knaves

n.

  • 柯林斯高阶英汉双解学习词典

1. N-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. 
2. N-COUNT (纸牌游戏中jack的另一种说法) In card games, knave is another word for jack
in AM, use 美国英语用 jack