General:
* ʻO kou mea maikaʻi loa: This is the most literal translation, meaning "your most good thing."
* Kou ʻoi loa: This means "your very best."
For effort:
* E hoʻāʻo i kou mea maikaʻi loa: This translates to "Try your best."
* E hana i kou mea maikaʻi loa: This means "Do your best."
For performance:
* Kou hoʻokō maikaʻi loa: This translates to "Your best performance."
* Kou hoʻokō ʻoi loa: This means "Your very best performance."
For a specific skill:
* Kou mākaukau maikaʻi loa: This means "Your best skill."
* Kou ʻike maikaʻi loa: This translates to "Your best knowledge."
The best way to choose the right phrase depends on what you want to say. Consider the context and use the phrase that best suits the situation.