YOU SAID:

Old bear sleeps heavily but the wolf runs so fast that cows eat dogs

INTO JAPANESE

年老いたクマはぐっすり眠っているが、オオカミは走るのが速すぎて牛が犬を食べてしまう

BACK INTO ENGLISH

The old bear is fast asleep, but the wolf runs too fast and the cow eats the dog

INTO JAPANESE

年老いた熊はぐっすり眠っているが、オオカミは走るのが速すぎて牛が犬を食べてしまう

BACK INTO ENGLISH

The old bear is fast asleep, but the wolf runs too fast and the cow eats the dog