YOU SAID:

add watermelon to the pot and let boil for 6 hours

INTO JAPANESE

鍋にスイカを入れて6時間煮ます

BACK INTO ENGLISH

Add the watermelon to the pot and simmer for 6 hours.

INTO JAPANESE

スイカを鍋に加え、6時間煮ます。

BACK INTO ENGLISH

Add the watermelon to the pot and simmer for 6 hours.