to sort out
I have something to take care of.
J'ai deux ou trois choses à régler.
I have a couple of things to sort out.
On a des problèmes bien plus importants à régler.
We have much more important problems to deal with.
I have some business to attend to.
J'avais presque tout le plan en tête, mais il restait à régler les détails.
I had almost the whole plan in my head, but the details still needed to be worked out.
— Assurance sur la mort (1944)
J'ai encore des affaires à régler.
I still have some business to attend to.