For mild anger:
* E riri ana ahau: This literally translates to "I am angry," but it conveys a milder level of anger.
* Kei te riri ahau: This translates to "I am angry" and also conveys a milder level of anger.
For stronger anger:
* E ngakau pouri ana ahau: This translates to "I am heartbroken" and can express a deep sense of anger.
* E tino riri ana ahau: This translates to "I am very angry" and conveys a stronger level of anger.
* E whakapohehe ana ahau: This translates to "I am furious" and expresses a high level of anger.
The best option for you will depend on the context and the intensity of your anger.