水洩不通 shuǐ xiè bù tōng

DEFINITIONS

  1. lit. not one drop can trickle through (idiom); fig. impenetrable (crowd, traffic)

CHARACTERS

水 shuǐ
HSK 1
water, liquid, lotion, juice
洩 xiè leak, drip; vent or release
不 bù
HSK 1
no, not; un-; negative prefix
通 tōng
HSK 4
pass through, common, communicate