YOU SAID:

You've gotta be like 20% cooler

INTO JAPANESE

20% 涼しくなる必要があります

BACK INTO ENGLISH

20% need to be cooler

INTO JAPANESE

20% 涼しくする必要があります

BACK INTO ENGLISH

20% need to cool

INTO JAPANESE

20% 冷却が必要

BACK INTO ENGLISH

20% need cooling

INTO JAPANESE

20% 冷却が必要

BACK INTO ENGLISH

20% need cooling