YOU SAID:

my leg itches very badly

INTO JAPANESE

私の足がひどくかゆくなります

BACK INTO ENGLISH

My feet are terribly itchy

INTO JAPANESE

足がひどくitい

BACK INTO ENGLISH

My legs are terrible

INTO JAPANESE

足がひどい

BACK INTO ENGLISH

Legs are terrible

INTO JAPANESE

足がひどい

BACK INTO ENGLISH

Legs are terrible