Formal:
* Nga mihi nui - This is a general expression of thanks and appreciation, often used for formal occasions.
* He pai rawa - This means "very good" or "excellent".
* Kei te pai - This means "good" or "well done" and is more informal.
Informal:
* Pai! - This is a simple and direct way to say "good" or "well done".
* Kia ora! - This means "hello" or "good" and can be used to express appreciation.
* Ka pai! - This means "good" or "okay" and is a more casual way to say well done.
Other options:
* Tena koe - This means "hello" or "good" and can be used as a general expression of appreciation.
* He mahi nui - This means "a great job" and is a more specific way to say "well done".
The best way to say "well done" in Māori depends on the specific situation. For example, if you are praising someone for a job well done, you might say "He pai rawa" or "He mahi nui". If you are simply acknowledging someone's effort, you might say "Kia ora" or "Ka pai".