赭衣塞涂 (赭衣塞塗) zhě yī sāi tú

zhě yī sāi tú set phrase [so many] convicts [that they are] blocking the road
Domain: Idiom 成语
Notes: (Guoyu '赭衣塞路'; Mathews 1931 '赭衣塞塗', p. 31)