dans sa tête

in his/her head

→ dans
phrase Rare #30,461
in his/her head Can refer to someone’s thoughts or to their physical head. The possessive sa changes meaning according to who it refers to.
FR: Elle garde cette idée dans sa tête.
EN: She keeps that idea in her head.

Je veux juste savoir ce qui se passe dans sa tête.

I just want to know what's going on in his head.

— Five Nights at Freddy's 2 (2025)

C'est dans sa tête.

It's in his head.

Que se passe-t-il dans sa tête ?

What's going on in his head?

Qui sait ce qui se passe dans sa tête ?

Who knows what's going on in his head?

— Rebecca (1940)

Un éclat de la grenade a été retrouvé dans sa tête.

A piece of shrapnel from the grenade was found in his head.

Dans sa tête.

In his head.

On panique à l'intérieur, dans sa tête.

We’re panicking inside, in our heads.

— Reservoir Dogs (1992)

Sa maladie était surtout dans sa tête.

His illness was mostly in his head.

En fait, on sait pas ce qui se passe dans sa tête de beau gosse.

Actually, we don't know what's going on in that handsome guy's head.

— Crazy Rich Asians (2018)

Il y a un risque que la plaque bouge dans sa tête ?

Is there a risk of the plate shifting in his head?

— Titane (2021)

Est-ce que vous êtes dans sa tête ?

Are you in his head?

— मुन्ना भाई एम बी बी एस (2003)

Le médecin pense que c'est dans sa tête.

The doctor thinks it's in his head.

Ça tourne plus rond, dans sa tête ?

Is everything all right in his head?

— Get Out Your Handkerchiefs (1978)