New Zealand speaks English, so 'sweet' will be sweet in New Zealand. However, if you are asking 'how do you say sweet in Maori?', the answer is waiti.
Kia pai tō rā.
People in New Zealand speak English and say "goodbye" as you do. If you mean how do you say goodbye in the Maori Language, then it is "Haere Ra".
Tino pai (Actual translation is very good)
In Maori, "wai" can mean water, juice, or liquid.
Kia ora (keya- ora) is a casual greeting in Maori.
Poh Tah NAMmu
In Maori, you can say "morena" which means good evening.
You can say "Kei te pai ahau, mihi" in Maori, which translates to "I am good, thanks."
Kia manuia - Good luck
In Maori, you say "Kia kaha" which can be translated as "stay strong" or "good luck".
ka pai.
In Maori, "goodbye" is "haere rā" and "good luck" is "kia kaha."
In Maori, you say "Mōrena" to greet someone with "good morning."
"Morena" means "good morning" in Maori. It is a common greeting used to say hello in the morning.
To say "that's good" in Māori, you would say "Kei te pai".
po marie - good night as for sweet dreams we normally say this in english.
You can say "soy maori".