vituperate

老师不应该在课堂上如此恶毒地辱骂学生。

Teachers should not ___vituperate students so viciously in class.

这位愤怒的顾客因为点餐中的一个小错而对服务员破口大骂。

The angry customer began to ___vituperate the waiter over a minor mistake in the order.

这位政治评论员经常在他的网络视频中毫无顾忌地辱骂公众人物。

The political commentator would often ___vituperate public figures in his online videos without any restraint.