his/her own
L'oiseau ne vole jamais trop haut, qui vole de ses propres ailes.
The bird that flies on its own wings never flies too high.
Aliokhine a monté cette station de ses propres mains !
Aliokhine built this station with his own hands!
— Salyut-7 (2017)
C'est important de connaître ses propres limites.
It's important to know your own limits.
Un homme égoïste ne pense à rien sauf à ses propres sentiments.
A selfish man thinks of nothing except his own feelings.
Elle l'a étranglé de ses propres mains.
She strangled him with her own hands.
Chaque enfant a ses propres capacités, ses propres désirs, ses propres rêves.
Each child has their own abilities, their own desires, their own dreams.
— Des étoiles sur la terre (2007)