5 sentences

1. 他揉了揉红肿的眼睛。

   tā róu le róu hóng​zhǒng de yǎn​jing.

   He rubbed his red and swollen eyes.

   Source: Dong Chinese Dictionary

2. 由于过敏，她的眼睑有些红肿。

   yóu​yú guò​mǐn, tā de yǎn​jiǎn yǒu​xiē hóng​zhǒng.

   Her eyelids are red and swollen due to allergies.

   Source: Dong Chinese Dictionary

3. 药效发挥后，脸上的红肿开始消退。

   yào​xiào fā​huī hòu, liǎn shàng de hóng​zhǒng kāi​shǐ xiāo​tuì.

   Once the medicine took effect, the swelling on the face began to subside.

   Source: Dong Chinese Dictionary

4. 剧烈运动后，他的膝盖依然红肿疼痛。

   jù​liè yùn​dòng hòu, tā de xī​gài yī​rán hóng​zhǒng téng​tòng.

   After vigorous exercise, his knees were still swollen and painful.

   Source: Dong Chinese Dictionary

5. 由于被蚊子叮咬，他的手臂上起了一个红肿的包。

   yóu​yú bèi wén​zi dīng​yǎo, tā de shǒu​bì shàng qǐ le yī gè hóng​zhǒng de bāo.

   He got a red, swollen bump on his arm from a mosquito bite.

   Source: Dong Chinese Dictionary