he acts
Il agit seul.
He acts alone.
Il agit par intérêt.
He acts out of self-interest.
Il agit toujours selon son instinct !
He always acts on instinct!
— Departures (2008)
Il agit dans son intérêt propre.
He acts in his own interest.
Il agit comme un mec.
He acts like a guy.
— Juno (2007)
Il agit en son nom propre.
He acts in his own name.
Il agit toujours à sa guise.
He always does as he pleases.
Il agit très timidement en sa présence.
He acts very shy around her.
Il agit selon mon conseil.
He acts on my advice.
Il agit rapidement.
It acts quickly.
Il agit de son propre chef.
He is acting on his own initiative.