be keen about 喜爱，对…着迷

be keen on 喜爱;渴望大学英语六级成绩

keep away 站开;使离开

keep back 留在后面;阻止;隐瞒

keep company with 和…交往

keep down 控制;压服;缩减开支

keep from 阻止;使免于;隐瞒

keep in mind 记住

keep off 避开;不让…接近

keep on 继续进行，反复地做

keep out of 躲开，(使)置身…之外

keep to 坚持;固守(习惯等)

keep to oneself 保守秘密，不与人来往

keep under 压制;控制

keep up 继续;坚持，维持

keep up with 跟上，不落后

kill off 消灭，杀光

kind of (状语)有点儿，有几分

bend one's knee to 向…跪下，屈服于

drop to one's knees 跪下

fall on one's knees 跪下(请求等)

knock down 撞倒;击落;拆除

knock off 把…敲掉;击倒;停工

knock out 敲空;(拳击中)击倒

know about 了解，知道…的情况

know better than 很懂得(而不至于)

be known as 以…知名;被认为是

be known for 因…而众所周知

be known to 为…所知