How do you say a few weeks later in french?

There are a few ways to say "a few weeks later" in French, depending on the context and desired level of formality:

Formal:

* Quelques semaines plus tard: This is the most direct translation and is suitable for most formal situations.

* Après quelques semaines: This emphasizes the passage of time and can be used in formal settings.

Informal:

* Quelques semaines après: This is a more informal version of the previous option.

* Plus tard, après quelques semaines: This emphasizes the later time frame and is more informal.

Specific number of weeks:

* Deux semaines plus tard: Two weeks later.

* Trois semaines plus tard: Three weeks later.

You can also use "quelque temps plus tard" (some time later) if you don't want to specify the exact duration.

The best choice for you will depend on the specific situation and the tone you want to convey.