Many people are unaware of just how much food and drink they consume. [+ of]
许多人并不知道他们究竟消耗掉了多少食品和饮料。
She was unaware that she was being filmed.
她不知道有人在拍摄她。
apparently unaware, blissfully unaware, completely unaware, totally unaware
See also: unawares
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