YOU SAID:
I once fell down and bumped my knee on something very sharp. I bled for hours not being able to stop it. I had to go to the doctor and get my leg amputated.
INTO JAPANESE
私はかつて転んで、非常に鋭いものに膝をぶつけました。私はそれを止めることができずに何時間も出血しました。私は医者に行って足を切断しなければなりませんでした。
BACK INTO ENGLISH
I once fell and hit my knee against something very sharp. I couldn't stop it and bleeded for hours. I had to go to the doctor and amputate my leg.
INTO JAPANESE
私はかつて転んで、非常に鋭いものに膝をぶつけました。私はそれを止めることができず、何時間も出血しました。私は医者に行って足を切断しなければなりませんでした。
BACK INTO ENGLISH
I once fell and hit my knee against something very sharp. I couldn't stop it and bleeded for hours. I had to go to the doctor and amputate my leg.
You've done this before, haven't you.