她和买主立了个君子协定。用英语怎么说？

她和买主立了个君子协定。

She made a gentleman's agreement with her buyer.

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

made

adj. …制的，（人工）做成的，拼成的，虚构的，保证成功的；v. 使(make的过去式和过去分词)；

例句
Single people are treated as an aberration and made to pay a supplement.
独身者被当成异类，而且要付一笔额外的费用。

agreement

n. 协定，协议，同意，一致，合同书，（词之间性、数、人称方面与…）一致；

例句
Reaching this agreement so quickly was a great achievement...
如此快速达成这项协定是一大伟绩。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

buyer

n. 买主，买方，采购员；

例句
The selling broker is then required to assign a portion of the commission to the buyer broker...
卖方经纪人须随后将部分佣金分给买方经纪人。