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。

Now people become increasingly conscious of the importance of intellectual property.

现在人们越来越意识到知识产权的重要性。

Only when Heidi was sitting in the train did she become conscious of where she was going.

只有当海蒂坐在火车上时，她才意识到她要去哪里。

It is only when you nearly lose someone that you become fully conscious of how much you value him.

只有当你失去某人的时候，你才能完全意识到你有多珍惜他。