French phrase
Nous mettons tout en œuvre pour ~.
Meaning
We will do everything in our power to ___.
When to use it
A firm promise to use every available effort. It is polite, responsible, and reassuring, especially when addressing a problem.
Example dialogue
Nous mettons tout en œuvre pour résoudre ce problème.
We will do everything in our power to solve this problem.
Merci, c'est rassurant.
Thank you, that's reassuring.