General:
* E ʻoliʻoli! (Eh oh-lee-oh-lee) - This literally means "be happy!" and is a common way to say "have fun" in Hawaiian.
* E leʻaleʻa! (Eh lay-ah-lay-ah) - This means "enjoy yourself!" and is another common way to say "have fun."
More specific:
* E hauʻoli! (Eh how-oh-lee) - This means "be joyful!" and is a good choice if you want to emphasize happiness.
* E hoʻomaikaʻi! (Eh ho-oh-my-ky-ee) - This means "have a good time!" and is more appropriate for events like parties or celebrations.
For a more informal, friendly tone:
* E ʻoluʻolu! (Eh oh-loo-oo-loo) - This means "be comfortable!" and is a good way to say "have fun" to friends or family.
Ultimately, the best translation for "have fun" in Hawaiian will depend on the specific situation. You can also use a combination of these phrases, such as "E ʻoliʻoli a e leʻaleʻa!" (Eh oh-lee-oh-lee ah eh lay-ah-lay-ah) - "Be happy and enjoy yourself!"