unconscious/ʌn'kɒn∫əs $ -'kɑːn-/

a. in a similar state to sleep and not able to see, feel, etc.

a. 失去知觉的，不省人事的：He was knocked unconscious. 他被打昏了过去。

◇She has been unconscious since the accident. 自那次事故之后，她一直不省人事。

构词un- + conscious