1. keep on 继续
2. keep out 不让······进入······
3. keep off 避免吃（喝）······
4. keep away from 远离······
5. keep...down 控制，抑制
6. keep healthy/fit 保持健康
7. keep one's promise 遵守诺言
8. keep doing sth 继续做某事
9. keep sb doing sth 使某人一直做某事
10. keep sb from doing sth 阻止某人做某事
11. keep up 坚持，保持
12. keep in touch with sb 与某人保持联系