the last drops of a liquid, mixed with little pieces of solid material that are left in the bottom of a container 残渣；沉淀物 coffee dregs 咖啡渣
the worst parts of something that have no use or value 渣滓；糟粕 the dregs of society 社会渣滓
- (literary)
the last parts of something 残余 the last dregs of daylight 最后的余晖
Word OriginMiddle English: probably of Scandinavian origin and related to Swedish drägg (plural).