YOU SAID:
He had a face only a mother could love.
INTO JAPANESE
彼は母親だけが愛できる顔をしていた。
BACK INTO ENGLISH
He had a face that only his mother could love.
INTO JAPANESE
彼は母親だけが愛できる顔をしていた。
BACK INTO ENGLISH
He had a face that only his mother could love.
That didn't even make that much sense in English.