This reflects the traditional view that China, as a suzerain state, maintained in the old days: If you lose your lips, your teeth will be exposed to the cold.

这反映了中国过去作为宗主国所抱有的传统观念：如果你失去了嘴唇，牙齿将暴露在寒冷中。

youdao

This reflects the traditional view that China, as a suzerain state, maintained in the old days: If you lose your lips, your teeth will be exposed to the cold.

这反映了中国过去作为宗主国所抱有的传统观念：如果你失去了嘴唇，牙齿将暴露在寒冷中。

youdao