信口雌黄

The most typical performance of stubbornness is to quarrel or even vituperate unreasoningly.I can say that, 90% of the people on line are only making irresponsible remarks.

顽固最典型的表现就无理性争执甚至漫骂，可以说，90%的人在网在毫负责任信口雌黄，例子多举了。