vitriol

1. N-UNCOUNT If you refer to what someone says or writes as vitriol, you disapprove of it because it is full of bitterness and hate, and so causes a lot of distress and pain. 刻薄的话[表不满]

The vitriol he hurled at members of the press knew no bounds. 他对媒体的刻薄抨击没完没了。