How do you say hello mr Lambert in french?

There are a few ways to say "Hello Mr. Lambert" in French, depending on the formality of the situation:

Formal:

* Bonjour, Monsieur Lambert. (This is the most common and polite way to greet someone formally.)

Informal:

* Salut, Monsieur Lambert. (This is a more casual greeting, suitable for someone you know well.)

* Bonjour, Lambert. (This is a slightly less formal way to greet someone, but still respectful.)

You can also use the person's first name if you are on a first-name basis with them:

* Bonjour, [first name].

It's important to note that French culture is quite formal, so it's generally best to use the formal "Bonjour, Monsieur Lambert" unless you are specifically instructed otherwise.