keep at

1. 继续做

I am going to keep them at their task.

我将使他们继续工作。

keep away

1. 不接近; 使离开

Keep away from the machine.

不要靠近机器。

keep from

1. 阻止; 避开

I kept the children from going out.

我不让孩子们出去。

2. 克制

He couldn't keep from laughing.

他忍不住大笑。

keep in

1. 不出外

It's best to keep in while the temperature is too low.

气温太低时最好呆在屋里。

2. 抑制

She tried to keep her anger in.

她力图抑制心头的愤怒。

3. 隐瞒

Please keep the secret in.

请保守秘密。

keep off

1. (使)不接近; 挡开

He drew the curtain to keep the sun off.

他拉上窗帘遮住阳光。

keep on

1. 继续

He kept on talking.

他讲个不停。

2. 继续雇用

He kept Bob on as a manager.

他继续留用鲍勃当经理。

3. 继续拥有

She'll keep the apartment on through the summer.

整个夏天她将继续租用那间公寓。

keep out

1. (使)不进入

Warm clothing helps to keep out the cold.

保暖的衣服可以御寒。

keep to

1. 遵守

You have to keep to your promise.

你得遵守诺言。

2. 坚持

We must keep to the style of plain living.

我们必须保持朴实的生活作风。

keep up

1. (使)不停止

Rain kept up all day.

雨下了一整天。

2. 保持

He kept up a correspondence with Tom.

他和汤姆保持通信联系。

keep up with

1. 跟上

They walked so fast that I could not keep up with them.

他们走得那么快, 我没法跟上。

2. 和……保持联系

She has kept up with some of her friends since her retirement.

她退休后一直同一些朋友保持着联系。