English phrase from drama scenes

What Does "i don't understand how someone can do that" Mean?

Learn what "i don't understand how someone can do that" means, when people say it, and how to use it naturally in English.

Beginner
Neutral
Firm
Express Doubt

Wow, I don't understand

It means the speaker is saying they can't make sense of the person's behavior.

From The Missing Piece, Episode 53

When do people say this?

Scene Context

Someone reacts with disbelief after hearing about a bad or shocking act.

Usage Scenario

Use this to express shock or moral disbelief in conversation. It is common in arguments or when reacting to something upsetting.

Better ways to say it

1
I don't understand how someone can do that.
2
How could someone do that?
3
I can't understand that.

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