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jack of all trade 什么都懂

jail bird 囚犯

jazz up 使变得有趣

jitter 紧张大师

joined at the hip 死党

joint 大麻，地方

jolly guy 快活的人

jump on me 向我发脾气

junky 衣不称身

just what the doctor ordered 对症下药

K

keep a good house 收拾房子

keep body and soul together 温饱

keep someone 扣留某人

keep some posted 使得某人不断得到最新消息

keep track 留意

keep your ear peeled 留心看清楚

kick in the pants 踢屁股

kid gloves 小心谨慎

kid sister 小妹妹

kiddies 小孩

knick-knack 小玩意

knock the SHE out of sb 打得某人屁滚尿流

know sth like the palm of onels hands 了如指掌

know which side one's beard is buttered

knuckle sandwich 饱以老拳

延伸阅读：

常用俚语大全—D

常用俚语大全—E、F

常用俚语大全—G

更多阅读资料：
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