Mum, my tummy hurts.

妈妈，我肚子痛。

《牛津词典》

My leg hurts. Ouch!

我腿疼。哎哟！

youdao

Ouch! My arm hurts.

哎呀！我胳膊疼。

youdao

My back hurts. And we have a lot to wash.

我的背受伤了。我们有很多东西要洗。

Do you mind 实战 - SpeakingMax英语口语达人

My throat hurts and I have a fever.

我的嗓子很疼，还有点发烧。

I'd rather 实战 - SpeakingMax英语口语达人

It hurts my wife, it hurts my family, it hurts me, and it hurts the American people because you are being denied solutions to our problems.

FORBES: When Defiance Replaced Responsibility

"If people come in and say my chest hurts, that gets attention, but if they say my leg hurts when I walk a couple of blocks, most doctors don't think that is a big deal, " says William Hiatt, professor of cardiovascular research at the University of Colorado School of Medicine and chairman of the American Heart Association's Peripheral Vascular Disease Council.

WSJ: Peripheral Artery Disease (PAD) - When Achy Legs Are a Warning

My back hurts if I'm playing games too frequently.

BBC: Ljungberg ready and willing