YOU SAID:
when the cow sleeps, only then does the sheep celebrate
INTO JAPANESE
牛が眠るとき、その時だけ羊は祝います
BACK INTO ENGLISH
Sheep celebrate only when the cow sleeps
INTO JAPANESE
羊は牛が眠るときだけ祝う
BACK INTO ENGLISH
Sheep celebrate only when the cow sleeps
You've done this before, haven't you.