They were unaware of the fate that was to befall them.

他们并不知道即将降临到他们头上的厄运。

She was sublimely unaware of the trouble she had caused.

她压根儿没察觉自己闹出了乱子。

Many people are unaware of just how much food and drink they consume.

许多人不知道自己到底消耗掉多少食物和饮料。

Due to the fact that they did not read English, the prisoners were unaware of what they were signing.

这些囚犯由于看不懂英语，不知道自己在签什么。

I was unaware of his existence until today.

直到今天我才知道有他这么个人。