tērā tonu - perhaps
Ka tōmuri a Ria, ki tō mōhio? Tērā tonu pea. E rongonui ana tōna tōmuri.Do you think Ria might get here late? Quite possibly. Her tardiness is well-known.Perhaps - Tērā pea
He mea hoko kē pea te keke nei. Tērā tonu pea. Ehara ia i te tangata tunu keke, ki taku mōhio.I think this cake might have been bought. Probably. As far as I know he's not a cake-maker.Perhaps - Tērā pea