If you describe a person or their actions as unwitting, you mean that the person does something or is involved in something without realizing it.
例句
We're unwitting victims of the system...我们都是该系统的不知情的受害者。It had been an unwitting blunder on Blair's part.它曾是布莱尔的无心之失。
英汉词典释义
adv.
无意地;不经意地;不知不觉地
My remarks about divorce had unwittingly touched a raw nerve.我关于离婚的言论无意间触到了别人的痛处。People hate those who unwittingly harm the cause of peace.人们痛恨那些在不知不觉中危害和平事业的人。Walkers can unwittingly damage the fragile environment in which the birds live.徒步旅行者可能无意中破坏鸟类生活的脆弱环境。