koirā
1. (interjection) it is that, that's, those are, that was, those were, hence, consequently - variation of koia rā.
(Te Pihinga Textbook (Ed. 2): 8;)
He tangata ātaahua a Te Whakataka, koirā ka hiahia a Maata hei tāne māna (EM 2002:3). / Te Whakataka was a handsome man, that's why Maata wanted him as her husband.
See also koia rā
koirā te tikanga
1. supposedly, it would seem, strictly speaking, by rights, it's supposed to be like this - a phrase that is sometimes used idiomatically to make an assertion or to state that something was supposed to take place or have taken place.
Kia tae kē mai rātou i nanahi koirā te tikanga engari he aha te aha. / They were to have come yesterday but it didn't happen.
See also (ko) te/tōna tikanga, tōna tikanga, te tikanga
koirā anake te mahi e pahawa i a [koe]
1. that's all you're good for - an idiomatic expression.
Engari hoki ki te whai noa iho ētahi i te tauira a ngā reo irirangi Pākehā, mēnā koirā anake te mahi e pahawa i a rātou, hei aha hoki i hoatu ai tētahi 'aratuku Māori' ki a rātou (HM 2/1993:4). / But also if some just follow the example of Pākehā radio, if that's all they're good for, then let's not bother giving them a Māori radio frequency.