English phrase from drama scenes

What Does "mateo's not to be trusted" Mean?

Learn what "mateo's not to be trusted" means, when people say it, and how to use it naturally in English.

Beginner
Neutral
Firm
Warn

You were right, Kelly. Mateo's not to be trusted.

It means the speaker believes this person is unreliable or unsafe to trust.

From Under Her Control, Episode 42

When do people say this?

Scene Context

Someone warns that a man cannot be trusted.

Usage Scenario

Use this to warn someone about a person’s character or behavior. It works in spoken English, but it can sound harsh if you say it without evidence.

Better ways to say it

1
He's not to be trusted.
2
You can't trust him.
3
I wouldn't trust him.

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