YOU SAID:

Hello my name is senpai

INTO JAPANESE

こんにちは私の名前は先輩

BACK INTO ENGLISH

Hi my name is senior.

INTO JAPANESE

こんにちは私の名前は年上です。

BACK INTO ENGLISH

Hi my name is older.

INTO JAPANESE

こんにちは私の名前は古いです。

BACK INTO ENGLISH

Hi my name is old.

INTO JAPANESE

こんにちは私の名前は古いです。

BACK INTO ENGLISH

Hi my name is old.