"Who" is the Engpsh word for "谁" in Chinese. It is a pronoun used to ask about the identity of a person or thing. It is a word of Old Engpsh origin, and it can be traced back to the Proto-Germanic word "hwā" and the Proto-Indo-European word "kwo".
Example sentence in Engpsh:
"Who is at the door?"
"Who do you think will win the game?"
Example sentence translation in Chinese:
"门口是谁？"
"你认为谁会赢得比赛？"