YOU SAID:

Oh no, I hope this really heavy beach ball doesn't break my leg

INTO JAPANESE

いやあ、この重いビーチボールで足が折れないといいのですが

BACK INTO ENGLISH

Well, I hope this heavy beach ball doesn't break my leg

INTO JAPANESE

まあ、この重いビーチボールで足が折れなければいいのですが

BACK INTO ENGLISH

Well, I hope this heavy beach ball doesn't break my leg