dans sa main

in his/her hand

→ dans
phrase Rare #28,014
in his/her hand The possessive adjective sa can mean “his” or “her”; it agrees with main, not with the person who possesses it. The plural form is dans ses mains, “in his/her hands.”
FR: Elle tient une clé dans sa main.
EN: She is holding a key in her hand.

J'étais un jouet dans sa main.

I was a toy in his hand.

— La vie est belle (1997)

Un oiseau mangea dans sa main et tomba par terre.

A bird ate from his hand and fell to the ground.

— Night Watch (2004)

C'est comme avoir un monde dans sa main.

It's like having a world in your hand.

Tom tenait la clé de sa voiture dans sa main gauche.

Tom held his car key in his left hand.

Sa vision est un peu floue, et il n'a plus de force dans sa main gauche.

His vision is a little blurry, and he no longer has any strength in his left hand.

— It's Such a Beautiful Day (2012)

Barnaby Jack glissa dans sa main un objet de la taille d'un bonbon.

Barnaby Jack slipped an object the size of a candy into his hand.

— Moonrise Kingdom (2012)

Ce gars traînait deux soldats dans sa main gauche.

This guy was carrying two soldiers in his left hand.

— Le Frère 2 (2000)

Tom a une grenade dans sa main.

Tom has a grenade in his hand.

Dans sa main le plomb se transforma en or.

In his hand the lead turned to gold.