







密不通风 is a Chinese idiom (chengyu) meaning “airtight”. Hermetically sealed; impenetrable (e.g., defense, encirclement, secret). Literally, “so dense that not even wind can pass through”.

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Open the tool →密不通风 (mì bù tōng fēng) is a Chinese idiom (chengyu) meaning “airtight”.
密不通风 is pronounced mì bù tōng fēng in Mandarin Chinese.
Literally, 密不通风 means “so dense that not even wind can pass through”. It is used to mean “airtight”.
形容包围紧密或防卫严密,连风也透不进去。