sour as vinegar
酸得像醋一样
口语·形容人脾气差或消极
英文释义
to be extremely unpleasant or unpleasantly negative
例句
After losing the game, his mood was sour as vinegar.
典故来源
醋的酸味常被用来比喻人的情绪或态度尖酸刻薄，源自日常饮食文化。