idiom > knit the brows
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攒眉苦脸
Pinyin: zǎn méi kǔ liǎn

Explanation: 攒紧皱眉头。眉头紧蹙，苦着脸儿。形容面部表情极其愁苦。

cuán méi kǔ liǎn
　　Described the expression of unhappiness
Translated by Google
No. 3
　　Vinegar-faced magistrate Zan Mei Zou could not help, ask him more when the two to be considered when the 450 money. - "Bureaucrats"
Translated by Google
English Expression
  1. n.:  knit the brows