English phrase from drama scenes

What Does "you've crossed the line" Mean?

Learn what "you've crossed the line" means, when people say it, and how to use it naturally in English.

Intermediate
Neutral
Firm
Warn

You've crossed the line.

It means the other person has done something unacceptable and should stop.

From A Love Once Betrayed, Episode 1

When do people say this?

Scene Context

Someone tells another person they have gone too far.

Usage Scenario

Use it in an argument or serious boundary-setting moment. It sounds strong and can feel threatening if said coldly.

Better ways to say it

1
You've crossed the line.
2
You crossed the line.
3
That crosses the line.

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