385.　 knock…into…把…敲进

384.　 knock at / on 敲门/ 窗

383.　 keep sb. doing sth. 让某人做某事

382.　 keep healthy 保持健康

381.　 keep doing sth. 持续做某事

380.　 keep busy (一直)忙碌

379.　 just then 正在那时

K

378.　 just now / right now刚才，现在

377.　 just a minute / moment 等一会儿

376.　 jump the queue 插队