Daily Chinese Idiom Wordle Game
水泄不通 (shuǐ xiè bù tōng)
Describes a place so crowded that there is no space even for water to flow through.
Literal: water flow not pass
The subway station was packed so tight that people were squeezed together like sardines.
Think of a very crowded place where you can barely move.
One character means 'water', and it's about something not being able to pass through.