They covenanted that their hostages would be present.

他们保证他们人质。

The butler gave a little cough to announce his presence.

男管家轻轻咳了一下，示意他已。

Everyone present admitted that the judge's decision was eminently fair.

每个人都承认法官判决非常公。

I insist that you (should) be present.

请您务必。

Barring accidents, I'll be there.

除非有意外事, 一定。

He defaulted on the rehearsal.

他在排练时没有。