bashing
n [U, C] (often in compounds 常用以构成复合词) violent attack (often on members of specific groups) 猛烈的攻击（通常施加於一定团体的成员）
union-bashing, ie the practice of trying to discredit a trade union by fierce criticism, etc 对工会的猛烈攻击（指企图以激烈的攻击性言论等破坏工会名声的行动）
give sb a bashing 给某人一顿痛打. =>Usage at bang1 用法见 bang1.