with all one's strength
Kyojuro s'est vraiment battu de toutes ses forces.
Kyojuro really fought with all his might.
— Demon Slayer : Kimetsu no Yaiba - Le film : Le train de l'Infini (2020)
Il essaya de toutes ses forces de soulever la boîte.
He tried with all his might to lift the box.
Il faut se débattre de toutes ses forces.
We must fight with all our might.
— Kiki la petite sorcière (1989)
Ce gars sans cœur essaie de toutes ses forces de me ruiner.
This heartless guy is trying with all his might to ruin me.
Elle essaie de toutes ses forces.
She’s trying her hardest.
He shouted at the top of his lungs.