I overdid it in the gym and hurt my back.

我在健身房练得过火了，结果弄伤了背。

《牛津词典》

I overdid it at work and damaged my heart.

我劳累过度，损坏了我的心脏。

youdao

I overdid it at work and damaged my heart.

我劳累过度，损坏了我的心脏。

youdao