How do you say we went trick or treat in French?

There isn't a direct translation for "we went trick-or-treating" in French, as the custom isn't as common.

Here are some ways to say it, depending on the context:

1. Focusing on the activity:

* On est allé faire la tournée des bonbons. (We went trick-or-treating.)

* On est allé demander des bonbons aux voisins. (We went to ask for candy from the neighbors.)

* On est allé sonner aux portes pour avoir des bonbons. (We went knocking on doors for candy.)

2. Focusing on the costume:

* On est allé se déguiser et demander des bonbons. (We went dressed up and asked for candy.)

* On était déguisés et on a fait le tour des maisons pour avoir des bonbons. (We were dressed up and went around the houses to get candy.)

3. Using a more informal expression:

* On a fait Halloween. (We celebrated Halloween.)

* On a fait la fête d'Halloween. (We had a Halloween party.)

The best way to say it depends on the specific context and the level of formality you want to achieve.