YOU SAID:

hey senpai! whats for dinner?

INTO JAPANESE

ちょっと先輩!夕食をいただきました?

BACK INTO ENGLISH

Hey, my senior! whats for dinner?

INTO JAPANESE

ねえ、私の先輩!夕食をいただきました?

BACK INTO ENGLISH

Hey, it's my senior! whats for dinner?

INTO JAPANESE

ねえ、それは私の先輩です!夕食をいただきました?

BACK INTO ENGLISH

Hey, it's my senior! whats for dinner?