滴水不漏 dīshuǐbùlòu watertight Definitions Defs Origin Strokes Stroke Words Sentences Sents 滴水 dīshuǐ dripping water Dripping water; water drops.不 bù adverb not Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings漏 lòu verb to leak to leak out; to seep through; to drip through a small opening or hole