scum bag

n. 卑贱之人, 装废物的袋子

例句与用法：

These scum who fight at the football matches must be severely dealt with!

必须对那些专在足球比赛时打架的社会渣滓严加惩处！

When the meat is boiling, remove the scum.

当肉煮沸时，把浮在上面的浮渣撇掉。

I wouldn't have anything to do with those scum.

我不会和那些无耻之徒来往。

词形变化：

形容词: scummy | 副词: scummily | 名词: scummer | 动词过去式: scummed | 动词过去分词: scummed | 动词现在分词: scumming | 动词第三人称单数: scums |