YOU SAID:
I want to eat birthday cake but my stomach is already upset.
INTO JAPANESE
バースデーケーキを食べたいのですが、お腹がすくんでいます。
BACK INTO ENGLISH
I want to eat a birthday cake, but I'm hungry.
INTO JAPANESE
バースデーケーキを食べたいのですが、お腹が空いています。
BACK INTO ENGLISH
I want to eat a birthday cake, but I'm hungry.
That's deep, man.