一いっ筆ぴつ啓けい上じょう

expression

this is just a short note; I'm writing to tell you

A formal, old-fashioned opening phrase used at the beginning of a brief letter, typically by men. It signals that the writer is getting straight to the point. Often followed by the main message without lengthy greetings.

• 一いっ筆ぴつ啓けい上じょう、先せん日じつは大たい変へんお世せ話わになりました。

  I'm writing to tell you, thank you very much for your help the other day.

• 一いっ筆ぴつ啓けい上じょう、このたびの件けんについてご連れん絡らく申もうし上あげます。

  This will just be a short note to inform you about the matter at hand.