adj.不可靠的，不能信赖的

The weather forecast is often unreliable, especially in mountainous regions.
天气预报常常不可靠，尤其是在山区。
My old car has an unreliable engine; it breaks down every other week.
我那辆旧车的引擎很不可靠，每隔一周就会出问题。
The information from that source is highly unreliable; don't base your decision on it.
来自那个来源的信息非常不可靠，不要根据它做决定。
She's known for being an unreliable witness; her testimony can't be trusted.
她以作不可靠的证人著称，她的证词不能信赖。
The internet connection in this area is notoriously unreliable during storms.
这个地区的网络连接在暴风雨期间出了名的不稳定。
The battery of my smartphone drains quickly; it's becoming increasingly unreliable.
我的智能手机电池耗电快，越来越不可靠了。
The company's financial reports were found to be unreliable, leading to a loss of investor trust.
该公司的财务报告被发现不可靠，导致投资者失去信任。
The information he provided about the project was sketchy and unreliable.
他提供的关于项目的信息含糊且不可靠。
The elderly patient's memory is becoming unreliable, causing confusion in their daily life.
那位老年患者的记忆力变得不可靠，给他们的日常生活带来了困惑。
The power supply in this building is so unreliable that we always keep backup generators ready.
这栋楼的电力供应非常不可靠，所以我们总是准备好备用发电机。