covenanted

They covenanted in loyalty to the king.

他们缔结盟约以效忠国王。

I covenanted with him for house.

我同他订立了住房协定。

They covenanted that their hostages would be present.

他们保证他们质到场。

Before signing, he covenanted that he would remain in possession.

签字以前， 他要求以保留所有权为条件。