tōna [pai] nei
1. so so, not too bad, quite good, OK I guess, somewhat, sort of - an idiom used to give qualified praise. Also used to indicate qualified agreement with someone else's statement.
(Te Kākano Textbook (Ed. 2): 140-141;)
I pēhea tāu hararei? Tōna pai nei. / How was your holiday? It was OK.
Tau: Kei te wera tō kawhe? Ira: Mmm tōna wera nei (HJ 2012:41). / Tau: Is your coffee hot? Ira: Mmm it's OK I guess.