riff raff
US /ˈrɪf.ræf/
UK /ˈrɪf.ræf/
名词
乌合之众, 下层人, 流氓
disreputable or undesirable people
示例:
•
The club was full of riff raff, so we left.
俱乐部里都是乌合之众，所以我们离开了。
•
She didn't want her children associating with the local riff raff.
她不希望她的孩子和当地的乌合之众混在一起。