She was unaware that I could see her.
她沒想到我能看見她。
I was unaware of his existence until today.
直到今天我才知道有他這么個人。
He was completely unaware of the whole affair.
他對整件事情一無所知。
They were unaware of the fate that was to befall them.
他們并不知道即將降臨到他們頭上的厄運。
She hadn't read the letter and so was unaware of its contents.
她沒有看過那封信，所以對其內容一無所知。