I get tired easily: I must be out of shape.

我很容易感到疲劳，我的健康一定出了什么问题。

youdao

It is also entirely possible for a thin person to be out of shape!

这也是完全可能是出于一种形状瘦子！

youdao

If he doesn't shape up, he'll soon be out of a job.

他要是不改好，很快就会丢饭碗的。

《牛津词典》

If he doesn't shape up, he'll soon be out of a job.

他要是不改好，很快就会丢饭碗的。

《牛津词典》