What Does "i don't know who could this be" Mean?
Learn what "i don't know who could this be" means, when people say it, and how to use it naturally in English.
I don't know who could this be.
It means the speaker is unsure about the person's identity and is trying to guess who it might be.
From Marry The Wrong Bride, Episode 21
When do people say this?
Scene Context
Someone is guessing who is at the door or on the line and does not know who it could be.
Usage Scenario
Use this when you are surprised by an unknown caller, visitor, or message. It sounds slightly ungrammatical in the original form, so learners should prefer a natural version.
Better ways to say it
I don't know who this could be.
Who could this be?
I wonder who it is.
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