riffraff
US /ˈrɪfˌræf/
UK /ˈrɪfˌræf/
名詞
烏合之眾, 社會渣滓, 下層人
disreputable or undesirable people
範例:
•
The security guard prevented the riffraff from entering the exclusive club.
保安阻止烏合之眾進入這家高級俱樂部。
•
She didn't want to associate with the local riffraff.
她不想與當地的烏合之眾為伍。