YOU SAID:
They did surgery on a grape...
INTO JAPANESE
彼らはブドウに手術を行った.
BACK INTO ENGLISH
They did surgery on the grapes.
INTO JAPANESE
彼らはブドウの手術をでした。
BACK INTO ENGLISH
They are grape operation failed.
INTO JAPANESE
ブドウ操作に失敗しています。
BACK INTO ENGLISH
Grape operation has failed.
INTO JAPANESE
ブドウの操作が失敗しました。
BACK INTO ENGLISH
Grape operation has failed.
You've done this before, haven't you.