mā tēnā ka aha?
1. what would that solve? what will that solve? what would that achieve? what difference will that make? - a kīwaha to question the value of doing something. Also as mā tērā ka aha.
Tau: Kei te whakaharatau rātou i ngā ahiahi katoa. Ira: Mā tēnā ka aha! Ka koretake tonu te koretake, ahakoa te aha (HJ 2012:30). / Tau: They are practising every evening. Ira: What's the point! The hopeless will still be useless, no matter what.