How do you say I am trying to smile in french?

There are a few ways to say "I am trying to smile" in French, depending on the nuance you want to convey:

Formal/Neutral:

* J'essaie de sourire. (Most direct translation)

* Je fais de mon mieux pour sourire. (I am doing my best to smile)

Informal/More expressive:

* J'essaye d'arborer un sourire. (I am trying to put on a smile)

* J'essaye de faire un sourire. (I am trying to make a smile)

If you want to emphasize the difficulty of smiling:

* J'ai du mal à sourire. (I have difficulty smiling)

* Je me force à sourire. (I am forcing myself to smile)

The best choice will depend on the context of your sentence and the tone you want to convey.