n a human being
n. 了不起的人, 大人物pron. 有人, 某人
1. Somebody left their umbrella in the classroom.
有人把他们的伞留在教室里了。
2. I need somebody to help me with my homework.
我需要有人帮我做作业。
3. Somebody is knocking at the door.
有人在敲门。