bluff基本解释
n,吓唬；绝壁；断崖,同近
The threat was only a bluff..这种威胁不过是吓唬人而已。
吓唬；绝壁；断崖英释中释nan attempt to deceive someone by making them think you will do something, when you do not intend to do it
bluff body,钝头体；阻流体.短语
