1. He has pain in his teeth or jaw.

他的牙齿和下巴疼痛。

2. He has some problems with his teeth.

他牙齿有问题。

3. The tooth hurts only when he bites down on it.

他咬东西时，牙齿就痛。动词时态：hurt，hurt， hurt，bite，bit，bit。

4. His gums are red and swollen.

他的牙床红肿。

5. His tongue is red and sore all over.

他的舌头到处红和痛。

6. His breath smells bad and he has a foul taste in his mouth.

他口里有怪味。

7. His gums do bleed.

他牙床有出血。

8. He has some sore swellings on his gum or jaw.

他的牙床和下巴肿痛。

9. He has sore places on or around the lip.

他的嘴唇和周围都很痛。

10. There are cracks at the corners of his mouth.

他的嘴巴角落破了。

11. There are some discolored areas inside on his tongue.

他舌头里边有些地方颜色怪怪的。