English phrase from drama scenes

What Does "i don't know" Mean?

Learn what "i don't know" means, when people say it, and how to use it naturally in English.

Intermediate
Neutral
Express Doubt
English Phrases for Work

I don't know why Mary would do such a thing.

It means the speaker is questioning Mary's motives and does not understand her behavior.

From Married To My Brother’S Ex, Episode 54

When do people say this?

Scene Context

The speaker questions why Mary would act in such a strange or upsetting way.

Usage Scenario

Use this when you want to question someone's actions without directly accusing them. It can sound judgmental if the tone is sharp.

Better ways to say it

1
I don't know why Mary would do such a thing.
2
Why would Mary do that?
3
I can't figure out why she'd do that.

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English Phrases for Work

What Does "i don't know" Mean? - ReelFluent