n.[U]

1. 有知覺；清醒
   The patient lost consciousness.

   病人失去了知覺。

2. （個人或群體的）意念；意識
3. 感覺，覺察[S1][（+of）][+（that）]
   She had a consciousness that someone else was in the dark room.

   她有一種感覺：漆黑的房間裡還有別人。

n.

1. the state of being conscious.
   ▸the fact of awareness by the mind of itself and the world.
2. one's awareness or perception of something.