YOU SAID:
I just can't believe it, they forgot the onions.
INTO JAPANESE
信じられない、玉ねぎを忘れた。
BACK INTO ENGLISH
I can not believe it, I forgot the onions.
INTO JAPANESE
私はそれを信じることができない、私は玉ねぎを忘れた。
BACK INTO ENGLISH
I can not believe it, I forgot the onions.
You should move to Japan!