Betrothal.

订婚

Occupation.

职业。

An appointment.

约会。

The state of being in gear.

【机】齿轮啮合。

A battle between armies or fleets.

交战。

Pecuniary liabilities; obligations.

[~s] 债务；财务上之应承。

Promise that is made in writing.

【正】契约。