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　　39.keep v. 1 keep (on)doing 一直做…

　　Why do you keep laughing all the time? 你为什么一直在笑?

　　He is always keeping (on ) asking me the same question.

　　2 keep a secret/ one’s word/ a record 3 keep sb / sth from doing

　　4 keep the door open/ her waiting/ sb. in bed/ sb. informed of…

　　5 keep calm/ healthy/ left 6 keep sheep 养羊

　　7 keep up with 跟上 keep up (天气)持续不变 The rain kept up all afternoon.

　　keep back 抑制, ,忍住 keep sth back from sb. 向某人隐瞒

　　keep away from 远离 keep off 不接触 Keep off grass!

　　40.the key to success 成功的关键

　　41.kind adj . be kind to sb. 对某人友好

　　2) n. a kind of / all kinds of kind of 稍微 有点儿 That made me feel kind of stupid.

　　42. go / get down on one’s knees

　　43.knock v. 1knock at the door 敲门 2knock around/ about 漫游/ 虐待

　　3knock down 撞到/拆掉 knock over 撞翻

　　44.know v. 1know of/ about 知道 获悉 了解 2 be known for/ as 3get to know sb. 逐渐了解…

　　45.knowledge n.

　　1Knowledge is power. 2have a good knowledge of…

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