who
🇺🇸
/huː/
🇬🇧
/huː/
used to ask about a person's name or identity
Who is the person who called you yesterday?
昨天給你打電話的人是誰?
used to point out a specific person or people
I know the man who lives next door, who is very friendly.
我認識住在隔壁的那個男人,他非常友好。
used to add details about a person
My teacher, who has been teaching for 20 years, is the one who helped me most.
我的老師,已經教書20年了,是幫助我最多的人。