A patient who is not fully conscious should never be left alone.
神志并非完全清醒的病人必须时刻有人照料。
He became acutely conscious of having failed his parents.
他深深感到自己辜负了父母的期望。
I was vaguely conscious that I was being watched.
我隐隐约约地觉察到有人在监视我。
I don't think we ever made a conscious decision to have a big family
我觉得我们没有刻意地决定要生很多孩子。
She was fully conscious all the time and knew what was going on.
她一直都很清醒，知道是怎么回事。