YOU SAID:
Buy a good pair of shoes, bad one's would hurt your feet, or discomfort you.
INTO JAPANESE
良い靴を買うと、悪い靴は足を痛めたり、不快感を覚えたりします。
BACK INTO ENGLISH
When you buy good shoes, bad shoes can hurt your feet and make you feel uncomfortable.
INTO JAPANESE
良い靴を買うと、悪い靴は足を痛め、不快に感じることがあります。
BACK INTO ENGLISH
When you buy good shoes, bad shoes can hurt your feet and make you feel uncomfortable.
That didn't even make that much sense in English.