n. 恶棍, 骗徒, (纸牌的)杰克

[法] 流氓行为, 无赖, 恶棍

Knave \Knave\ (n[=a]v), n. [OE., boy, servant, knave, AS. cnafa
boy, youth; cf. AS. cnapa boy, youth, D. knaap, G. knabe boy,
knappe esquire, Icel. knapi, Sw. knape esquire, kn["a]fvel
knave.]
1. A boy; especially, a boy servant. [Obs.] --Wyclif.
Chaucer.

O murderous slumber,
Lay'st thou thy leaden mace upon my boy
That plays thee music ? Gentle knave, good night.
--Shak.

2. Any male servant; a menial. [Obs.] --Chaucer.

He's but Fortune's knave,
A minister of her will. --Shak.

3. A tricky, deceitful fellow; a dishonest person; a rogue; a
villain. ``A pair of crafty knaves.'' --Shak.

In defiance of demonstration, knaves will continue
to proselyte fools. --Ames.

Note: ``How many serving lads must have been unfaithful and
dishonest before knave -- which meant at first no more
than boy -- acquired the meaning which it has now !''
--Trench.

4. A playing card marked with the figure of a servant or
soldier; a jack; as, the knave of hearts.

{Knave child}, a male child. [Obs.] --Chaucer.

Syn: Villain; cheat; rascal; rogue; scoundrel; miscreant.