He is affianced to Maria.

他已兴玛莉亚订婚。

youdao

I landed here, regulated the affairs of the vessel, and hastened to visit my affianced bride, whom I found more lovely than ever.

我在此地靠岸，安排了船上的事，就赶快去看我的未婚妻了，我发现她更可爱，比以前更爱我了。

youdao

Affianced to the lovely Imoinda, the warrior prince Oroonoko, heir to a west African throne, is obliged to suffer the king his grandfather's insistence on his droit de seigneur.

ECONOMIST: Theatre at Stratford