1. The politician made a violent onslaught on the unions.
    该政客猛烈抨击工会。

1. 攻击：★全新攻击(Onslaught)模式:玩家可在地面、空中、太空展开战斗. 从鏖战太空到母舰争夺,玩家将体验多6个攻击模式剧本. ★全新屠杀(Assault)模式:玩家可在支持16-32人的超大尺寸地图上使用各种车辆和武器作战.

1. 攻击；袭击;猛攻
    An onslaught on someone or something is a very violent, forceful attack against them.

    e.g. The attackers launched another vicious onslaught on their victim...
           袭击者再度凶残地攻击受害人。
    e.g. The rebels responded to a military onslaught against them by launching a major assault on an army camp.
           叛乱分子为报复政府的军事打击，向一处军营发动猛攻。

2. （常指难以应付的）大批，大量
    If you refer to an onslaught of something, you mean that there is a large amount of it, often so that it is very difficult to deal with.

    e.g. The onslaught of orders should keep aircraft manufacturers busy for some time.
           纷至沓来的订单应该会让飞机制造商忙碌一段时间。
    e.g. ...the constant onslaught of ads on American TV.
           美国电视上让人应接不暇的广告

1. (military) an offensive against an enemy (using weapons)

    e.g. the attack began at dawn

    Synonym: attackonsetonrush

2. the rapid and continuous delivery of linguistic communication (spoken or written)

    e.g. a barrage of questions
           a bombardment of mail complaining about his mistake

    Synonym: barragebombardmentoutpouring

3. a sudden and severe onset of trouble