no holds barred
毫無保留地，沒有任何限制地進行
正式或口語·形容無約束
英文釋義
without any restrictions or limitations; unrestricted or unrestrained
例句
The debate was no holds barred, with both sides attacking fiercely.
典故來源
源自摔跤比賽規則，原指無禁止招式的比賽，后比喻毫無限制或保留的行動。