adj.谬误的,虚妄的,欺骗的,靠不住的
Gauss showed him that the proof was fallacious.
高斯向他指出证明是错误的.
Don't be misled by the fallacious advertisement.
不要被错误的广告所误导
A fallacious proof was accepted as correct for a decade.
一个虚假的论证曾被认为正确,为时达十年之久.