YOU SAID:
The lion has a sore paw.
INTO JAPANESE
ライオンには痛い足があります。
BACK INTO ENGLISH
Lions have painful feet.
INTO JAPANESE
ライオンは足が痛い。
BACK INTO ENGLISH
Lion has a painful leg.
INTO JAPANESE
ライオンは痛い足をしています。
BACK INTO ENGLISH
The lion has a sore leg.
INTO JAPANESE
ライオンの足は痛い。
BACK INTO ENGLISH
The leg of the lion hurts.
INTO JAPANESE
ライオンの足が痛い。
BACK INTO ENGLISH
The leg of the lion hurts.
That didn't even make that much sense in English.