YOU SAID:

C'mon, there's no need to be so formal.

INTO JAPANESE

おいおい、それほどフォーマルである必要はない。

BACK INTO ENGLISH

Come on, it doesn't have to be that formal.

INTO JAPANESE

さあ、それはその正式である必要はありません。

BACK INTO ENGLISH

Come on, it doesn't have to be that formal.