unreliable process

例句：

1. 1. The new software is unreliable and should be avoided.
   这款新软件不可靠，应避免使用。
2. 2.The weather forecast was unreliable, so we decided to go without an umbrella.
   天气预报不可靠，所以我们决定不带伞出门。
3. 3.The car's engine was unreliable, causing us to miss our flight.
   这辆车的引擎不可靠，导致我们错过了航班。