YOU SAID:
It was offered to him but he sulked off to his room instead.
INTO JAPANESE
それは彼に申し出られたが、彼は代わりに彼の部屋に沈んだ。
BACK INTO ENGLISH
It was offered to him, but he instead sank into his room.
INTO JAPANESE
それは彼に提供されましたが、彼は代わりに彼の部屋に沈みました。
BACK INTO ENGLISH
It was offered to him, but he instead sank into his room.
That didn't even make that much sense in English.