堵 dǔ HSK4 block up Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: wall All meanings 11 dǔ 11 wall classifier 8block 1stifled 1wall 1 1 sentence for 堵 (dǔ — wall) 观者如堵。 guān zhě rú dǔ. The crowd of spectators was like a wall. Source: Dong Chinese Dictionary