English phrase from drama scenes

What Does "don't be such a child" Mean?

Learn what "don't be such a child" means, when people say it, and how to use it naturally in English.

Beginner
Rude
Firm
Confront

Don't be such a child.

It means the speaker thinks the other person is being immature or unreasonable.

From Married To My Brother’S Ex, Episode 19

When do people say this?

Scene Context

Someone tells another person to stop acting immature during a tense exchange.

Usage Scenario

Use this in a conflict to criticize childish behavior, but it can sound insulting or rude. It is not suitable for polite conversation.

Better ways to say it

1
Don't be such a child.
2
Stop acting like a child.
3
Don't act like a child.

How to learn English with ReelFluent

1
Discover

Scenes unlock real expressions as you watch

2
Understand

Tap to translate or use dual subtitles

3
Use

Practice immediately with AI Characters

4
Retain

Reinforce with quick quizzes and repetition

Learn practical English from scenes, not drills.

Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.

Start learning

English Comeback Phrases