洪恩在线有声双语词典：someone

代词

pron. 一个人；某一个人

a person; a person whom one does not know

·	Can someone answer the question?
	有哪个人能回答这个问题吗？
·	You might at least say "Thank you" when someone helps you.
	当人家帮你忙的时候，你至少该说声“谢谢你”。
·	Someone has to lock up the house.
	总要有人把那幢房子锁上。