Read Edit View history 密不透风 mìbùtòufēng airtight Origin Definitions Defs Strokes Stroke Words Sentences Sents 密不透风 密不透風 mìbùtòufēng airtight hermetically sealed; tightly closed so that no air can pass through impenetrable extremely dense or tightly packed (of a crowd); very well-guarded (of a defense or blockade) Frequency Written text 0.525 per million Sources Frequency data BCC Corpus (BLCU)
密不透风 密不透風 mìbùtòufēng airtight hermetically sealed; tightly closed so that no air can pass through impenetrable extremely dense or tightly packed (of a crowd); very well-guarded (of a defense or blockade) Frequency Written text 0.525 per million Sources Frequency data BCC Corpus (BLCU)