unreliability
n. 不可靠，不可信赖；不安全
例句
Unreliability. She says she'll review your report by Tuesday, but it doesn't happen.
不可靠性她说她将在星期二回顾你的报告，但是事实上没有。
Downtime of an application due to bugs in the software is called the unreliability factor.
由于软件中的错误而造成应用程序停机称为不可靠性因素。
The problem of eyewitness unreliability (and memory unreliability) has been known in academia for years;
许多年来对于目击的不可靠性（还有记忆的不可靠性）在学术界已经达成共识；
