点水不漏 diǎn shuǐ bù lòu

DEFINITIONS

  1. not one drop of water leaks (idiom); fig. thoughtful and completely rigorous
  2. watertight

CHARACTERS

点 diǎn dot, speck, spot; point, degree
水 shuǐ water, liquid, lotion, juice
不 bù no, not; un-; negative prefix
漏 lòu leak, drip; funnel; hour glass