YOU SAID:
They did surgery on an egg.
INTO JAPANESE
彼らは卵を手術しました。
BACK INTO ENGLISH
They operated on eggs.
INTO JAPANESE
彼らは卵を操作しました。
BACK INTO ENGLISH
They manipulated the eggs.
INTO JAPANESE
彼らは卵を操作しました。
BACK INTO ENGLISH
They manipulated the eggs.
That didn't even make that much sense in English.