knave

英 [neɪv]

美 [neɪv]

n. 不诚实的男人(或男孩); 无赖; 恶棍

复数：knaves　

BNC.23768 / COCA.29367

牛津词典

noun

不诚实的人；无赖；恶棍
If someone calls a man aknave, they mean that he is dishonest and should not be trusted.
（纸牌游戏中jack的另一种说法）
In card games,knaveis another word forjack.

in AM, use 美国英语用 jack

noun

one of four face cards in a deck bearing a picture of a young prince
Synonym:jack
a deceitful and unreliable scoundrel
Synonym:roguerascalrapscallionscalawagscallywagvarlet

Describe the weaknesses of your approach and how you would compromise privacy in your system if you were a medical knave.
如果你是一个医学上的高手，请在你的系统中阐述你的方法的弱点和你是如何揭开秘密的。
"Once a knave, ever a knave"
一朝失足，铸成千古恨
'Your Majesty!'said the White Rabbit, jumping up in a great hurry.'We've just found this letter. There's no name on it, but I think the Knave wrote it.'
陛下！白兔马上跳了起来。我们刚刚找到这封信。上面没有名字，我想是红桃杰克写的。
"No, I didn't!" said the Knave loudly.
“没有，我没写！”红桃杰克大声嚷道。
We set him down as either a knave or a fool.
我们认为他是个无赖要不然就是蠢蛋。
He was an angel on the surface, but at heart a knave.
他表面上是个天使，实际上却是个无赖。
A crafty knave needs no broker.
狡猾的人不需要请教他人。
The Queen turned angrily away from him, and said to the Knave` Turn them over! '
王后生气地从国王身边转身走开了，并对武士说：把他们翻过来。
The honest man takes pains, and then enjoys pleasure, the knave takes pleasure, and then suffers pains.
正直的人先经历痛苦，然后享受欢乐；无赖先享受欢乐，然后经历痛苦。
Then followed the Knave of Hearts, carrying the King's crown on a crimson velvet cushion;
接着，是个红心武士，双手托着放在紫红色垫子上的王冠。