The money was lent for an undefined period of time.
这笔钱无限期借出。
1.未下定义的,不用定义解释的
2.不明确规定的;模糊的
1.not clearly explained, or without clear rules or limits
2.without a clear shape or form
1.Artificial immune network clustering is often ineffective when there is noise or undefined cluster boundary in the data.
当数据集聚类边界不清晰或存在噪声干扰时，人工免疫网络聚类算法通常无法获得有效的聚类划分。
2.It was a tall order to ask him to be a partner in launching a new initiative of undefined duration when he was contemplating his own demise.
当死神在向他招手的时候，要他合作发起一项旷日持久的新倡议，未免太苛刻了。
3.In that case, the Court DID not satisfy itself with interpreting the copyright statute in line with undefined constitutional norms.
在那个案件中，法院对于依据不明确的宪法规范解释著作权法案表示不满意
4.It defines just enough to let you declare an injection point, with qualifiers, and then leaves the rest undefined.
它只定义了带有修饰符的注入点而已，其他的都没有定义。
5.But that, of course, is the whole trouble when greatness, undefined, is made into an objective in its own right.
但那当然是全部问题，当未被定义的伟大被当做目标。
6.Also, it is possible to produce circular dependencies, in which case the XAML processing behavior is undefined.
此外，在XAML处理行为未定义的情况下，也可能产生循环依赖关系。
7.Such laments VB programmers side of the ease of use, and general frustration like to see some " undefined type, " the wrong occurred.
这样一些程序员一边感叹VB的易用性，一般沮丧地地看着一些类似于“未定义类型”错误的发生。
8.All data in a CouchDB database is stored in a document, and each document can be made up of an undefined number of fields.
CouchDB数据库中的所有数据都储存在一个文档中，并且每个文档可以由未定义的字段组成。
9.The effect of any ordinary character being preceded by an escape is undefined.
任何普通字符前跟转义字符的作用是未定义的。
10.The last value returned by an event handler that was triggered by this event, unless the value was undefined.
返回被这个事件触发的事件处理器最后一次返回的值，除非这个值未定义。