adj.欺骗的，骗人的，不诚实的

He's a deceitful person, always lying to get what he wants.
他是个狡猾的人，总是说谎以达成自己的目的。
The politician's campaign was filled with deceitful promises that never materialized.
那位政治家的竞选活动充斥着虚假的承诺，从未兑现。
She felt betrayed by her friend's deceitful behavior in the business deal.
她觉得在商业交易中被朋友的欺骗行为背叛了。
The company used deceitful advertising tactics to lure customers into buying their product.
公司使用欺骗性的广告策略来诱使顾客购买他们的产品。
His deceitful nature eventually led to his downfall in the corporate world.
他欺骗的性格最终导致他在商界垮台。
The online seller provided deceitful product descriptions, resulting in many dissatisfied customers.
这个在线卖家提供了虚假的产品描述，导致许多顾客不满意。
The con artist's deceitful charm almost convinced me to give him my life savings.
那个骗子的欺诈魅力几乎让我把毕生积蓄都给了他。
The athlete was disqualified for using deceitful methods to enhance his performance.
运动员因使用欺骗手段提高成绩而被取消资格。
The dating app was found to have deceitful algorithms that created fake matches.
这款约会应用被发现有欺骗性的算法，制造虚假匹配。
The landlord used deceitful tactics to evict tenants without proper notice.
房东使用欺骗手段在没有适当通知的情况下驱逐租客。