真正的地道： bullshit

bluff 是虚张声势不符合你想说的意思， brag 是吹牛但是倾向于吹一定程度上存在的’牛‘，主要表现pretentious的态度。很多口语都是用句子来表达意思的，用了动词高度总结，也还会有句子再加以说明的。我可能会说 someone tends to overstate what he has done/is capable of all the time. he is a self promoter trying to make his average work stand out.

bluff

bullshit

bullshitting haha

bullshit

bluffing

brag about 是褒义的吧?
吹嘘, 吹牛是贬义的吧?

Bluffing!