je vous suis infiniment reconnaissant(e)
grateful is translated 'reconnaissant, reconnaissante' in French.
"You have saved our lives! We are eternally grateful!"
You are eternally grateful for the opportunities that have come your way because they have allowed you to grow, learn, and achieve success in ways you never thought possible.
It will work Eternally. You do not need to worry about it.
Éternellement à toi (or "à vous").
You would say "nous serions très reconnaissants" in French.
Je (vous) serai très reconnaissant(e).
Grateful in Hawaiian is "Mahalo."
"I am grateful" can be translated to Hawaiian as "Ke ha'aha'a au."
The correct way to say I'm grateful to hear from you is "goblinspunk"
Takknemmelig
agradecido