disingenuous

他假装天真地提问，试图套出更多信息。

He asked the question with ___disingenuous innocence, trying to fish for more information.

她那不诚恳的道歉——配着颤抖的嘴唇和恰到好处的一滴眼泪——没能说服会议桌旁的任何人。

Her ___disingenuous apology—delivered with a quivering lip and a carefully timed tear—convinced no one sitting around the conference table.

该品牌关于其护肤系列不含合成化学物的不实声称被揭穿，一份实验室报告显示含有三种工业防腐剂。

The brand's ___disingenuous claim that its skincare line was free of synthetic chemicals was debunked when a lab report revealed three industrial preservatives.