me ... (rā) ka tika
1. it's only right that, it's to be expected, so it should be, it's appropriate - an idiom used to express an opinion that something is appropriate or expected.
Kua nenewha ngā karu o te koroua rā. Me nenewha rā ka tika. He maroke nō ngā kōrero. / The elderly man over there is dozing. It's to be expected because the talk is so boring.