Meanings
Noun
first thing in the morning
Example sentences
朝一番に電話するよ。
I'll call you first thing in the morning.
明日の朝一番に彼に電話しよう。
I'll call him first thing in the morning.
この手紙を朝一番で出すの忘れないでね。
Don't forget to mail this letter first thing in the morning.