A patient who is not fully conscious should never be left alone.

　　神志并非完全清醒的病人必須時刻有人照料。

　　He became acutely conscious of having failed his parents.

　　他深深感到自己辜負(fù)了父母的期望。

　　I was vaguely conscious that I was being watched.

　　我隱隱約約地覺察到有人在監(jiān)視我。

　　I don't think we ever made a conscious decision to have a big family

　　我覺得我們沒有刻意地決定要生很多孩子。

　　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。