"who is it" in Chinese (Simplified)

是谁？

Definition

用来询问对方是谁的常见问题，通常当有人敲门、打电话或看不到对方时使用。

非常口语化，经常用于开门或者接电话时。对于门更常说“谁啊？”，接电话时常说“您是哪位？”。更正式的场合不常用。

Who is it? Someone is knocking on the door.

**是谁**？有人在敲门。

She answered the phone and said, 'Who is it?'

她接起电话说：“**是谁**？”

When the bell rang, mom asked, 'Who is it?' before opening the door.

门铃响的时候，妈妈在开门前问：“**是谁**？”

It's late. If someone comes, just ask 'Who is it?' before letting them in.

现在很晚了，如果有人来，先问“**是谁**？”再让他们进来。

Suddenly, there was a voice outside. I nervously called out, 'Who is it?'

突然，外面传来声音，我紧张地问：“**是谁**？”

A: Hello? B: Hi! A: Who is it? I can't recognize your voice.

A：喂？B：你好！A：**是谁**？我听不出来你的声音。