「请问是哪位」英文怎么说？who's this?
who's this? = 请问是哪位（词组）
who's this? 是什么意思？
who's this?：请问是哪位。出自主题「听起来没礼貌其实不是」。
例句
- Sorry, who's this? I don't have your number.
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同主题还有
| hold on | 等一下 |
| hang on a sec | 稍等一下 |
| come again? | 再说一次？ |
| sorry, what? | 抱歉，什么？ |
| you lost me | 我没听懂 |
| wait, what? | 等等，什么 |
| heads up | 先提醒你 |
| quick question | 问一下 |