YOU SAID:
sometimes its best to let sleeping dogs lie.
INTO JAPANESE
眠っている犬を寝かせておくのが最善の場合もあります。
BACK INTO ENGLISH
Sometimes it's best to let a sleeping dog sleep.
INTO JAPANESE
眠っている犬を寝かせることが最善の場合もあります。
BACK INTO ENGLISH
Sometimes it's best to let a sleeping dog sleep.
That didn't even make that much sense in English.