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Open the tool →水泄不透 (shuǐ xiè bù tòu) is a Chinese idiom (chengyu) meaning “Impenetrable”.
水泄不透 is pronounced shuǐ xiè bù tòu in Mandarin Chinese.
Literally, 水泄不透 means “Water cannot leak through”. It is used to mean “Impenetrable”.
形容拥挤或包围的非常严密。同“水泄不通”。