1 sentence

1. 每到阴雨天，他的旧伤口就会隐隐作痛。

   měi dào yīn​yǔ​tiān, tā de jiù shāng​kǒu jiù huì yǐn​yǐn zuò tòng.

   His old wound throbs whenever it is rainy or overcast.

   Source: Dong Chinese Dictionary