她牙痛，嘴巴张不太开。

She has a ___toothache and can't open her mouth well.

我牙痛，所以今天不能吃糖。

I have a ___toothache, so I can't eat sweets today.

他牙痛得厉害，需要去看牙医。

He has a bad ___toothache and needs to see a dentist.