English phrase from drama scenes

What Does "you're making a very big mistake" Mean?

Learn what "you're making a very big mistake" means, when people say it, and how to use it naturally in English.

Beginner
Neutral
Firm
Warn

You're making a very big mistake.

This means the speaker believes the other person is about to do something wrong or harmful.

From Help! I’m Falling In Love With My Rude CEO, Episode 0

When do people say this?

Scene Context

Someone warns another person that they are making a serious mistake.

Usage Scenario

Use it to warn someone before they act. It can sound serious and critical, especially in an argument.

Better ways to say it

1
You're making a very big mistake.
2
You're making a mistake.
3
This is a big mistake.

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