the scum of the earth
1. 最糟糕的人
They are the scum of the earth.
他们都是些人类的渣滓。
习惯用语the scum of the earth1.■卑贱者, 下贱人特殊用法defecation scum1.■沉淀物, 澄清渣green scum1.■(死水的)绿色浮沫kiln scum1.■窑霜(烧成砖表面的白色盐霜)lime scum1.■压滤残渣mud scum1.■浮泥pond scum1.■池渣2.■水绵科的任何游离的漂浮丝状藻3.■任何水绵在不流动水或静水面上形成缠结的丝状体团