- 保持，继续(做某事)：
to keep up friendship
保持友谊
Keep up the struggle till you succeed.
继续战斗直到你们取得胜利。
- 持续下去，继续不变：
I hope the good weather will keep up.
我希望好天气会继续下去。
- (使)不低落；(使)保持高昂：
Prices have kept up the whole year.
全年物价都很高。
The good news kept our spirits up.
好消息使我们情绪高昂。
- 维护；保养，保持良好状态：
to keep up a house
保养房子
They tried to keep up the reputation of their firm.
他们试图维护他们公司的信誉。
- 跟上，不落后：
He had to run to keep up.
他不得不跑着跟上。
- (被)支撑，(被)抬起：
What keeps the roof up?
是什么支撑着屋顶?
The lifeboat kept him up till the rescue crew came.
救生艇一直把他支撑到救援队到来。
- (使)不倒下；(使)熬夜：
The house is strong enough to keep up in a storm.
这座房子很坚固，足以抵挡风暴。
He used to keep up late into the night.
他过去常常熬到深夜。
- 【印刷】用大写字母排印，使(铅字、排版)保持原状