用法如下:
1.keep+adj.意为“保持某种状态”,是系表结构
2.keep+sth./sb.+adj.意为“使某人/某事处于某种干净状态
3.keep doing sth.意为“持续做某事” keep crying 一直哭
4.keep sb. doing sth 意为“让某人一直做某事” I 'm sorry to keep you waiting so long.我很抱歉让你等了很久
5.keep+n.意为"保留,保存“
6.keep away from=stay away from 意为"远离"