滴水不漏

dīshuǐbúlòu

watertight, tightly packed or completely enclosed

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di1 shui3 bu4 lou4

lit. not one drop of water can leak out, watertight, rigorous (argument)

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滴水不漏

dī shuǐ bú lòu

make sure that not a single drop leaks out -- tell a story without missing a single circumstance; There must be no leakage of any kind and degree.; watertight; leakproof; flawless:

全面论证，滴水不漏 make a proof all-round and without any omission

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滴水不漏|滴水不漏 [dī shuǐ bù lòu] ► lit. not one drop of water can leak out ► watertight ► rigorous (argument)