滴水不漏: 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 短语和例子全面论
全面论证滴水不漏: make a proof all round and without any omission
无懈可击: with no chink in one's armour; be hard to fault; be unable to find any chinks in sb.'s armour; invulnerable; leave no room for criticism; no one can find any fault with; nothing to object
