abord

D'abord, il faut comprendre le probleme.

First of all, you have to understand the problem.

Elle a d'abord refuse, puis elle a accepte.

She refused at first, then she accepted.

D'abord mange, ensuite on parlera.

Eat first, then we will talk.

Au premier abord, il semble froid mais il est sympa.

At first glance, he seems cold but he's nice.

D'abord, je voudrais te remercier d'être venu si vite.

First, I'd like to thank you for coming so quickly.