conscious是形容词，意思是“有意识的意识清醒的意识到了解的谨慎的”。其名词是consciousness 意思是“意识知觉觉悟感觉”。
conscious通常与be连用，构be conscious
of……和be conscious that……，相当于动词，意思是“意识到……，注意到……”，例如
I'm very conscious of my weight.我很在意自己的体重。
He was conscious of a clock ticking.他意识到了时间正在消逝。
She's very conscious of the problems involved.她完全意识到了所涉及的问题。
He was conscious that he was talking rather too much.他意识到他说得实在太多了。
I was vaguely conscious that I was being watched.我隐隐约约地觉察到有人在监视我。
