English phrase from drama scenes

What Does "you've been acting up lately" Mean?

Learn what "you've been acting up lately" means, when people say it, and how to use it naturally in English.

Beginner
Rude
Firm
Complain

Ethan, come on. You've been acting up lately.

It means the speaker thinks the other person has been misbehaving or causing trouble recently.

From Billionaire’s Betrayal, Episode 13

When do people say this?

Scene Context

Someone complains that the other person has been behaving badly lately.

Usage Scenario

Use this when complaining about someone's behavior, especially to a child or in a tense argument. It can sound scolding.

Better ways to say it

1
You've been acting up lately.
2
You've been acting out lately.
3
You've been misbehaving lately.

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How to Complain in English

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What Does "you've been acting up lately" Mean? - ReelFluent