疏挖 Traditional form: 疏挖 Pinyin (reading): shūwā Definitions: to dredge to dig out (a channel) Characters: 疏 - to neglect; to dredge, to clear away; lax, careless 挖 - to dig, to excavate Traditional characters: 疏 - to neglect; to dredge, to clear away; lax, careless 挖 - to dig, to excavate