English phrase from drama scenes

What Does "i can keep my mouth shut" Mean?

Learn what "i can keep my mouth shut" means, when people say it, and how to use it naturally in English.

Intermediate
Neutral
Soft
Make Promise

Ma'am, I can keep my mouth shut.

It means the speaker promises not to talk about something or share a secret.

From The Perfect Husband, Episode 5

When do people say this?

Scene Context

Someone says they can stay quiet and not reveal anything.

Usage Scenario

Use this when promising silence or discretion. It can sound casual, but also a little rough or defensive depending on tone.

Better ways to say it

1
I can keep quiet.
2
I won't say anything.
3
I'll stay silent.

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How to Make Promises in English

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