成交的英文：
complete a contract
reach a deal

参考例句：

Clinch a deal/an argument/a bargain
成交[解决争端/谈妥买卖

luck money [ penny ]
[英]吉利钱(常指旧时出售牲口的人在成交后为求吉利还给买主的一?是?

It is not unusual for up to half the lots on offer at a Christie's or Sotheby's sale to be left unsold
由克里斯蒂和索思比拍卖行承拍的艺术品有一半之多没有成交，这也并非偶然。

Ok, it’s a deal!
行，成交！

Voluntary deals are struck through bargaining.
讨价还价，愿者成交。

Sew up; fix;seal
缝合;成交;垄断

They sealed the bargain with a handshake.
他们握手成交。

lowest(rock - bottom)price
最低价格、成交价格

We will conclude the business on a cash basis.
我们将以现金交易的方式成交。

There is every prospect of closing the business if the price is reduced by 3% .
如降低价格3%，则很有希望成交。

complete是什么意思：
adj. 完整的，完全的；彻底的；完成的
v. 完成，使完满

Complete power corrupts completely.
绝对的权力造成绝对的腐败。

completive interjection
补足叹词

The task is complete.
任务完成了。

contract是什么意思：
n. 契约；合同；婚约
v. 感染；（使）缩小，缩短，收缩；订契约

The contract was negotiated.
合约已谈妥。

confidentiality of contracts
合同的保密性

Renewal of contract
合同的续订

reach是什么意思：
v. 抵达；达到；伸出（手）；够到；延伸（到）
n. 可及之范围；一段流域；地带；大片地区

reach the bottom
到达底部

Women have not even reached the level of tokenism that blacks are reaching
妇女甚至尚未达到黑人正在达到的象征性水平。

There is no question that a new compromise will be reached.
新的妥协毫无疑问地会达成。