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。

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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。

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This happens mostly when boyfriends and husbands make decisions without their knowledge and tells them over dinner.

这种情况通常是在男朋友或者老公在不告知她们的情况下做决定，事后才告诉他们的时候发生。

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Rather, they do their work without conscious knowledge.

相反，它们的活动都是无意识的。

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