- (of an object or an action) require the payment of (a specified sum of money) before it can be acquired or done成本为; 价格为：
each issue of the magazine costs £1.
该杂志每期的价格是1英镑。
- cause the loss of导致…损失; 使付出…的代价：
with two objs driving at more than double the speed limit cost the woman her driving licence.以超过限速两倍多的速度开车让这位女子丢了驾驶执照。
- with two objs involve (someone) in (an effort or unpleasant action)使费力做; 使参与（不愉快的行动）：
the accident cost me a visit to the doctor.
这次事故害得我看了次医生。
- informal be expensive for (someone)〈非正式〉使花许多钱：
if you want to own an island, it'll cost you.
如果你想拥有一个小岛, 那将花去你很多钱。
- (past and past participle costed) estimate the price of给…估价：
it is their job to plan and cost a media schedule for the campaign.
他们的工作是为竞选计划媒体宣传日程安排并估计其成本。
- an amount that has to be paid or spent to buy or obtain something价格; 成本; 费用; 花费：
we are able to cover the cost of the event
我们付得起该事项的费用
health care costs
保健费; 健康护理费
mass noun the tunnel has been built at no cost to the state.隧道的建成没花国家一分钱。
- the effort, loss, or sacrifice necessary to achieve or obtain something代价; 损失; 牺牲：
she averted a train accident at the cost of her life.
她以生命为代价避免了一起火车事故。
costs
legal expenses, especially those allowed in favour of the winning party or against the losing party in a suit诉讼费用。
at all costs（或 at any cost）
- regardless of the price to be paid or the effort needed不惜任何代价：
he was anxious to avoid war at all costs.
他急于不惜一切代价来避免战争。
at cost
- at cost price; without profit to the seller按成本; 以成本价。
cost an arm and a leg
- 见
ARM1 .
cost someone dear（或dearly）
- involve someone in a serious loss or a heavy penalty使遭受严重损失; 使受严惩：
they were really bad mistakes on my part and they cost us dear.
这些是我犯的严重错误, 使我们遭受了极大损失。
to someone's cost
- with loss or disadvantage to someone付出代价; 吃苦头：
without programmes to play on it, the cleverest machine is useless - as some hardware manufacturers already know to their cost.
没有节目可以播放, 再好的机器也是无用的——这是一些硬件制造商的经验教训。