まず第だい一いちに

expression

first of all; to begin with; in the first place

Used to introduce the most important point or the first step in a sequence. Often appears at the beginning of a sentence or clause.

• まず第だい一いちに、健けん康こうが一いち番ばん大たい切せつです。

  First of all, health is the most important thing.

• まず第だい一いちに、予よ算さんを確かく認にんしましょう。

  To begin with, let's check the budget.