adv.未意识到地，不知不觉地，无意中

He unknowingly left his laptop on the train.
他不小心把笔记本电脑落在了火车上。
She unknowingly gave away the secret to the wrong person.
她无意中将秘密透露给了错误的人。
The spy was unknowingly followed by the counterintelligence agents.
这名间谍不知不觉中被反间谍人员跟踪了。
Unknowingly, he had been using the wrong password for weeks.
几周来，他一直在使用错误的密码，自己却浑然不知。
The child unknowingly broke the vase while playing ball in the house.
孩子在屋里玩球时，不小心打碎了花瓶。
Unknowingly, she had been living with her stalker for months.
她几个月来竟然与自己的跟踪者同住，自己却全然不知。
The hiker unknowingly wandered into a bear's territory.
这位徒步旅行者不知不觉中闯入了一只熊的领地。
He unknowingly offended his friend by making an insensitive comment.
他因说了一句不敏感的话，无意中冒犯了他的朋友。
The company unknowingly hired a former criminal.
公司无意中雇用了一名前科犯。
Unknowingly, she had been spreading false information online.
她在网上无意中传播了错误的信息。