English phrase from drama scenes

What Does "you don't know what you're talking about" Mean?

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

Beginner
Rude
Firm
Confront

You don't know what you're talking about.

The speaker is saying the other person is ignorant or incorrect.

From Honey Gold, Episode 14

When do people say this?

Scene Context

Someone dismisses the other person's opinion and says they are wrong.

Usage Scenario

Use this in a fight when challenging someone's claim, but it is rude and highly confrontational. It is not appropriate in polite work conversation.

Better ways to say it

1
You don't know what you're talking about.
2
You have no idea what you're talking about.
3
You don't know what you're saying.

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English Comeback Phrases

What Does "you don't know what you're talking about" Mean? - ReelFluent