厚纸糊窗户,密不透风 厚紙糊窗戶,密不透風 厚紙糊窗户,密不透風

pasting a window with thick paper: airtight, no wind gets through

Saying俗语俗語

Two-part saying歇后语歇後語 · Widely known

Meaning
Says information is kept so tightly sealed that nothing leaks out.
Wordplay
风 (fēng) means both literal wind and 风声 (fēngshēng), news or word of something; 'no wind gets through' means no news leaks.
Simplified
厚纸糊窗户,密不透风
Traditional (Taiwan)
厚紙糊窗戶,密不透風
Traditional (Hong Kong)
厚紙糊窗户,密不透風
Pinyin
hòu zhǐ hú chuānghu, mìbútòufēng
Bopomofo
ㄏㄡˋ ㄓˇ ㄏㄨˊ ㄔㄨㄤ ˙ㄏㄨ,ㄇㄧˋ ㄅㄨˊ ㄊㄡˋ ㄈㄥ

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

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