The Chinese word for pain killer is
止痛药

zhǐ tòng yào

pain killer

Chinese Definition

Components
止
1. to stop; to halt
休止 - to stop
2. to bring to an end; to stop; to relieve
止癢 - to stop itching (irritation)
3. to end; to finish
4. only (original form of 只)
5. 71st tetragram of the Taixuanjing (?)
6. (literary, archaic) (Sentence-final particle indicating an emphasis.)
痛
1. to hurt; to cause pain
2. physically sore; painful
3. mentally sore; sorrowful
4. to hate; to abhor
5. to take pity on; to lament
6. thoroughly; to the fullest
7. Variant of 疼
药
1. Simplified form of 藥
2. Simplified form of 葯
3. usage. In mainland China, 藥, rather than 葯 is listed officially as the traditional form of