YOU SAID:
my leg is broken by a 4 year old
INTO JAPANESE
私の足は4歳で折れています
BACK INTO ENGLISH
My leg is broken at 4 years old
INTO JAPANESE
4歳で足が折れる
BACK INTO ENGLISH
Broken leg at age 4
INTO JAPANESE
4歳で骨折した足
BACK INTO ENGLISH
Broken leg at age 4
Well done, yes, well done!