keep in with 不断讨好…… ；继续和……相好
keep off 不（使……）接近……；把……驱开
keep on at 纠缠、困扰某人；使某人烦恼
keep on＋v－ing（phr．）继续做……、进行下去
keep out of 使……置身于……之外
keep up with 跟上、赶上……
kick against／at 反对、抗议……；对……发牢骚
kill off 消灭、杀光……
kneel before／down／to 跪下，跪着
knit sth．into 把……编成、编入……
