Definition
to assault someone aggressively
激烈攻擊；痛打
He was done over by a group of people on the street.
他在街上被一群人痛打了一頓。
During the skirmish, his friends did their opponents over.
在衝突中，他的朋友們痛打了對手。
The protesters' actions made their opponents feel like they were being done over.
抗議者的行動讓對手感覺像是被痛打了一頓。