adj.虚伪的，撒谎的，捏造的，不真实的

His claims were mendacious from the start, and everyone soon realized it.
他的声称从一开始就具有欺骗性，大家很快就发现了。
The politician's apologies for his past lies were nothing but mendacious attempts to salvage his reputation.
那位政客为过去的谎言道歉，只是虚伪地试图挽回他的名誉。
She accused him of being mendacious, refusing to believe his explanation for the broken vase.
她指责他撒谎，不接受他关于打碎花瓶的解释。
The lawyer's argument was so mendacious that even his own client began to doubt his credibility.
律师的论点如此虚伪，连他的委托人都开始怀疑他的可信度。
The company's marketing campaign was filled with mendacious statements, misleading consumers about their product's capabilities.
公司的营销活动充斥着虚假声明，误导消费者对其产品的功能。
After discovering the truth, she knew the man's promises were nothing but mendacious words.
发现真相后，她明白那男人的承诺只是空洞的言语。
The witness under oath swore he saw the suspect, but his testimony turned out to be mendacious.
那名宣誓作证的证人坚称他看到了嫌疑人，但后来证明他的证词是虚假的。
The journalist's expose exposed the corporation's mendacious practices, prompting a public outcry.
记者的揭露揭示了公司的欺诈行为，引起了公众的强烈抗议。
The salesperson's glowing review of the product was so mendacious that it raised suspicion among potential buyers.
销售人员对产品的溢美之词如此不实，让潜在买家产生了怀疑。
In the heated debate, no one dared to call out the mendacious rhetoric being spouted by their opponent.
在激烈的辩论中，没有人敢揭穿对手那些虚伪的言论。