YOU SAID:

when i was in middle school i said to a girl while smiling that i have not hit puberty yet

INTO JAPANESE

私が中学生だったとき、私はまだ思春期を打っていないと微笑みながら女の子に言った

BACK INTO ENGLISH

When I was a junior high school student, I told the girl with a smile that I hadn't hit puberty yet.

INTO JAPANESE

中学生の頃、まだ思春期を迎えていないと笑顔で女の子に言いました。

BACK INTO ENGLISH

When I was a junior high school student, I told a girl with a smile that I had not reached puberty yet.

INTO JAPANESE

中学生の頃、まだ思春期に達していないと笑顔で女の子に話しました。

BACK INTO ENGLISH

When I was a junior high school student, I told a girl with a smile that I had not reached puberty yet.