[经] front money;earnest money;bargain money;handsel;earnest ;
例句:
By the way, will we be able to get a refund on this cancellation?
顺便问一下, 我们取消后可拿回定金 吗 ?
You must pay a deposit if you want to reserve the room.
你要预订房间,就得先付定金.
I'll pay you a hundred dollars deposit and the remainder on delivery.
我将付你一百元定金,其余款项在交货时付讫.