点水不漏
diǎn shuǐ bù lòudianshuibulou
- not one drop of water leaks (idiom); fig. thoughtful and completely rigorous
- watertight
diǎn shuǐ bù lòudianshuibulou
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences