someone

某人、有人

Someone left a message for you at the front desk.

有人在柜台留了讯息给你。

某个人、谁用于疑问或假设

If someone calls while I'm out, take their number.

我出门时如果有人打电话来，帮我记下号码。

对象、交往对象口语

She's been seeing someone since the summer.

她从夏天开始就有交往对象了。

大人物、有头有脸的人口语

He moved to the city determined to become someone.

他搬到城市，一心想成为大人物。