He likes to drink a few sips of qu liquor to relieve fatigue.
Tips
culture
曲 (qū, also written 麯 / 麴) is a fermentation starter of mold-grown grain, the heart of Chinese baijiu making. 曲酒 is a general term for spirits fermented with 大曲 (big qu), distinguishing them from 米酒 (rice wine) or 黄酒 (yellow wine).