You look tired. You need a good rest.

你看来累了. 你需要好好休息一下.

The doctor advised me to have a rest.

医生建议我好好休息.

You should rest up while you can

你应该尽量多休息。

Get some rest.

好好休息!

Rest well. Restore your health.

好好休息，早日康复。

Take the medicine I prescribe and get plenty of rest.

服用我开的药,好好休息。

Relax and get a good day's rest.

放松来好好休息一天。

You must have a complete rest.

你得好好休息。

You just take it easy.

你好好休息吧。