If you are conscious of something, you notice it or realize that it is happening.
aware
He was conscious of the faint, musky aroma of aftershave.
他留意到须后水那淡淡的、似麝香的芳香。
She was very conscious of Max studying her.
她十分清楚马克斯在仔细端详着她。
If you are conscious of something, you think about it a lot, especially because you are unhappy about it or because you think it is important.
I'm very conscious of my weight.
我很在意自己的体重。
A conscious decision or action is made or done deliberately with you giving your full attention to it.
I don't think we ever made a conscious decision to have a big family.
我不认为我们曾刻意下决定要成为一大家子。
Someone who is conscious is awake rather than asleep or unconscious.
She was fully conscious throughout the surgery and knew what was going on.
她在整个手术过程中神志完全清醒,知道发生了什么。
Conscious memories or thoughts are ones that you are aware of.
He had no conscious memory of his four-week stay in the hospital.
他对自己住院的4个星期记不大清了。