YOU SAID:

The first thing you want to do.

INTO JAPANESE

まず最初にやりたいです。

BACK INTO ENGLISH

First of all you want to do.

INTO JAPANESE

まず第一にあなたがやってみたい。

BACK INTO ENGLISH

First off you want to do.

INTO JAPANESE

最初からやってみたい。

BACK INTO ENGLISH

Want to do from the beginning.

INTO JAPANESE

最初からやりたいです。

BACK INTO ENGLISH

You want to do from the beginning.

INTO JAPANESE

あなたは最初からやってみたい。

BACK INTO ENGLISH

You want to do from the beginning.