N4
まず
To start with, Firstly
まず宿題をしたほうがいい。
First, it would be best for me to do my homework.
Explanation
「まず」 has 2 uses
1First, as step one
Marks the first of several steps, often followed by 「次に」 or 「それから」: 「まず手を洗います」 first, wash your hands.
まず踊りに行きましょう。
First let's go dancing.
まずエンジンをかけて。
First, please turn on the engine.
2First of all, before anything
Puts one thing ahead of everything else: 「まず落ち着いてください」 first of all, calm down.
まず宿題をしたほうがいい。
First, it would be best for me to do my homework.
まずこれだよね。
This one first right?