我要知道有关keep的所有用法

http://www.iciba.com/keep/这里有，自己看

keep at
To persevere in work or an action.

keep down
To prevent from growing, accomplishing, or succeeding:
keep down prices; keep the revolutionaries down.

keep off
To stay away from.

keep to
To adhere to:
keep to the original purpose.

keep up
To maintain in good condition:
kept up the property.
To persevere in; carry on:
We asked her to stop talking, but she kept up.
To continue at the same level or pace.
To match one's competitors, colleagues, or neighbors in success or lifestyle:
unsuccessfully tried to keep up with his associates.

for keeps
For an indefinitely long period:
gave the ring to me for keeps.
Seriously and permanently:
We're separating for keeps.

keep an eye out
To be watchful.