a. not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead
s. without conscious volition
s. (followed by `of') not knowing or perceiving
a. 未意识到的, 无意识的, 无知觉的
[医] 人事不省的, 神志丧失的; 无意识的
1. She was unconscious after the accident and needed medical help.
她在事故后失去了知觉，需要医疗帮助。
2. The doctor said he might regain consciousness soon.
医生说他可能很快会恢复意识。
3. Sometimes we do things unconsciously without realizing it.
有时我们会在不知不觉中做一些事情。