You should do more exercise.

你应该多做运动。

You should take more exercise.

你应该多锻炼。

Doing more exercise is a good idea.

多做运动是个好主意。

Try to do more exercise and eat more healthily!

尝试多做运动，吃得更健康！

The doctor told him to take more exercise.

医生告诉他要多锻炼。

I would like to take more exercise, but I have not found a favourite sport.

我想多做运动，但我还没有找到喜欢的运动。

I was not feeling very well so the doctor checked my heart and said I needed more exercise.

我感觉不太好，所以医生检查了我的心脏并说我需要更多的锻炼。

We should do more exercise.

我们应该做更多的运动。

We should to do more exercise.

我们应该去做更多的运动。

The doctor suggested that I get more exercise.

医生建议我多锻炼。