卫生口罩,嘴上一套 衛生口罩,嘴上一套 衞生口罩,嘴上一套

a hygienic face mask: a set/cover on the mouth

Saying俗语俗語

Two-part saying歇后语歇後語 · Rarely used now

Meaning
Mocks someone who says one thing but thinks or does another; two-faced.
Wordplay
套 tào means to put a cover on (the mask goes on the mouth) and 一套儿 yī tàor means 'a set/line' of talk, so the mouth has 'one line' while the heart has another.
Simplified
卫生口罩,嘴上一套
Traditional (Taiwan)
衛生口罩,嘴上一套
Traditional (Hong Kong)
衞生口罩,嘴上一套
Pinyin
wèishēng kǒuzhào, zuǐ shàng yítào
Bopomofo
ㄨㄟˋ ㄕㄥ ㄎㄡˇ ㄓㄠˋ,ㄗㄨㄟˇ ㄕㄤˋ ㄧˊ ㄊㄠˋ

Written with HSK 7-9 vocabulary, at CEFR level C1.

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