水泼不进，针插不进水泼不进，针插不入shuǐ pō bù jìn , zhēn chā bù jìn

water-tight and impene trable
❍ 他们搞小圈子，～。They formed a small coterie which was water-tight and impenetrable.

水泼不进，针插不进shui po bu jin,zhen cha bu jin

water-proof and impenetrable

水泼不进，针插不进

watertight and impenetrable
～的独立王国 independent kingdom that seals itself off from the outside—region or depart ment that refuses to obey the central authority