The dream is a little hidden door in the innermost and most secret recesses of the soul.

梦是开设在灵魂深处最隐蔽角落的小小隐秘窗口。

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So one must observe not only at the conscious level, but also at the hidden level, in the deep recesses of one's own mind.

因此，你不仅仅要观察意识层面，同样还有隐藏的层面，在自己意识深处。

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Hidden deep in the dark recesses of your credit card agreement, there may be perks beyond the much-heralded loyalty points emblazoned on its marketing materials.

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Together, they delved into the dark recesses and voids of this 19th Century dwelling and unearthed a trove of hidden items.

BBC: News, Sydney