riff.raff
n.（名词）
People regarded as disreputable or worthless.
乌合之众，下等人，流氓：被认为声名狼藉的或不足道的人
Rubbish; trash.
垃圾，废物
来源：
Middle English riffe raffe
中古英语 riffe raffe
from rif and raf [one and all]
源自 rif and raf [个个都，全都]
from Anglo-Norman rif et raf, rifle et rafle
源自 英法语 rif et raf, rifle et rafle
Old French rifler [to rifle] * see rifle 2
古法语 rifler [劫掠] *参见 rifle2
Old French raffler [to carry off] from raffle [act of seizing] * see raffle
古法语 raffler [抢走] 源自 raffle [抢劫的动作] *参见 raffle
