youdao

One group was given a drug while the other group received a harmless substance instead of medicine without their knowledge.

一组服用药物，而另一组在不知情的情况下服用无害的药物。

youdao

He raised money without their knowledge, they contend, "using forged or falsified documents".

他们声称他“利用伪造或篡改的文件”，在他们不知情的情况下筹资资金。

youdao

Rather, they do their work without conscious knowledge.

相反，它们的活动都是无意识的。

耶鲁公开课 - 心理学导论课程节选

U.S. intelligence officials believe al Qaeda is attempting to infiltrate the Syrian opposition forces without their knowledge.

WSJ: Syrian Brass Defect, Buoying Rebels

The issue highlights how behind-the-scenes conflicts between the digital and traditional media worlds affect consumers, often without their knowledge.

WSJ: Hollywood Studios Warm to Apple's iCloud Effort

While those owners may emerge as suspects, sources point out that their computers might have been programmed without their knowledge.

CNN: Graphic