YOU SAID:
when you want to become better, you should practice
INTO JAPANESE
上手くなりたい時は練習すればいい
BACK INTO ENGLISH
If you want to get better, you have to practice
INTO JAPANESE
上達したいなら練習すればいい
BACK INTO ENGLISH
If you want to improve, practice
INTO JAPANESE
上達したいなら練習しろ
BACK INTO ENGLISH
Practice if you want to improve
INTO JAPANESE
上達したいなら練習する
BACK INTO ENGLISH
practice if you want to improve
INTO JAPANESE
上達したいなら練習する
BACK INTO ENGLISH
practice if you want to improve
That didn't even make that much sense in English.