求keep的用法，最好给网址，打字也行

keep
[ki:p]
vt. & vi. & link v.
(使)保持; (使)继续
Please keep quiet.
请保持安静。
vi.
(食品)保持新鲜
The fish won't keep long; we must eat it now.
这鱼无法保存很久, 我们必须现在就把它吃掉。
vt.
保有, 保存, 保留
Why didn't Daddy let me keep the ten dollars?
爸爸为什么不让我留下这十美元?
阻止, 防止, 耽搁
What kept you?
什么事耽误了你?
履行, 遵守
She kept her promise.
她遵守了诺言。

Keep at it!
别松劲！
2. Keep from moisture!
切勿受潮！
3. Keep her steady!
照直走！
4. Keep it clean!
别失体统！（别下流）！
5. Keep it up!
坚持下去！
6. Keep them covered!
把他们牢牢瞄准！
7. Keep to heel!
跟着！

8. Please keep silent!
请别出声！
9. Who keep goal?
谁守球门？

10. Danger, keep off!
危险，不要走近！

http://www.iciba.com/keep/

keep