in business
You are tough in business.
Nous sommes en affaires avec de nombreux pays.
We do business with many countries.
Je crois que je me débrouille en affaires.
I think I'm doing alright in business.
— La Cité de Dieu (2002)
He's my business rival.
Il a eu du succès en affaires.
He was successful in business.
You are tough in business.
Il a réussi en affaires au prix de sa santé.
He succeeded in business at the cost of his health.
You're tough in business.