"Tokowhitu ōku tau"
* Tokowhitu means "nine"
* ōku means "my"
* tau means "years"
So, literally translated, it means "Nine are my years."
You can also say:
"E iwa ōku tau"
* E iwa is another way to say "nine"
* ōku means "my"
* tau means "years"
This translates to "Nine are my years".
Important Note: Maori is a very nuanced language, and there are different ways to say things depending on the context and your relationship with the person you are talking to.