juliejin（金培）
1、faith n .信赖的事情；保证；诺言；约定，誓约
2、plight vt. 许婚；以身相许
3、promise v/n 承诺, 诺言
4、stipulation n. 契约;规定;条
5、troth n. 誓言
短语搭配
1.约定定义 stipulative definition;
2.约定呼叫（电话） appointment call;
3.约定货载 booking cargo;
4.约定面谈时间 appointment for interview;
5.约定价值 agreed value; commitment value;
例句
The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.
你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。
反义词
break an appointment：失约
cancel an appointment ：取消约定、约会
例句
1.Two people discover each other are read amazedly at same place university, conventional morrow meets, however 2 people discover break an appointment of the other side depressedly.
两人惊奇地发现彼此就读于同一所大学，约定次日见面，然而二人都沮丧地发现对方失约了。
2.Disconnect, get outside, take a walk. Cancel an appointment or two if you can. Stretch. Massage your shoulders. Close your eyes for a few minutes. Breathe.
离开，走去外面，散个步。如果可以的话取消一到两个约会。伸个懒腰，活络肩膀，闭上眼睛几分钟，呼吸。
