But now I have a stomachache.

但现在我肚子疼。

What's the matter? I have a stomachache.

怎么了？我胃疼。

He has had a stomachache since he returned from school yesterday.

他从昨天放学回家后就一直胃痛。

I had a bit of a stomachache this morning.

我今天早上有点胃疼。

This medicine can help relieve a stomachache.

这个药可以帮助缓解胃痛。

Drinking hot water can relieve a stomachache.

喝热水可以缓解肚子痛。

Eating too many sweets can cause a stomachache.

吃太多甜食会导致胃疼。

A stomachache can be caused by stress or anxiety.

胃痛可能是由压力或焦虑引起的。

Eating too many sweets can give you a stomachache.

吃太多甜食会让你肚子痛。

He had to cancel the date because of a stomachache.

他因为肚子痛而不得不取消约会。