keep …out of…     使…不进入…

keep a certain distance 保持一定距离

keep a record (of sth.) 作记录

keep back 扣留

keep fit 保持身体健康

keep in touch with 与……保持距离

keep off 让开；不接近

keep one’s balance 保持平衡

keep one’s promise 遵守诺言

keep one’s word 守约；守信

keep sb doing sth  让某人不停地做某事

keep silence/silent    保持安静

keep up with    跟上

keep up 保持；维持；继续

keep watch     守望，值班

keep…alive 存活

keep…away from… 使远离……

keep…from doing sth. 阻止做某事

keep…in mind 记住；想着

keep…out/ keep…out of… 不让……进入

key figure 关键人物

kick off     踢脱（鞋子等）

kick the habit of 改掉……的习惯

kiss sb. hello / goodbye 亲吻某人问好╱吻别

knock against 撞击

knock at / on（the door） 敲（门）

knock down 撞倒

knock into撞上

knock over 撞翻

knock…in/ knock…into… 把……敲进……

knock…off… 撞离

knock…out / knock…out of… 把……敲出来

know about / of 了解有关情况