malfunction

The elevator malfunctioned between the fourth and fifth floors, trapping the passengers.

(Chinese) 电梯在四楼和五楼之间发生故障，困住了乘客。

If the cooling system malfunctions, the nuclear reactor could overheat quickly.

(Chinese) 如果冷却系统失灵，核反应堆可能会迅速过热。

A minor technical malfunction in the software caused the entire website to crash.

(Chinese) 软件中一个微小的技术故障导致了整个网站崩溃。

Pilot error was ruled out after investigators found a mechanical malfunction in the engine.

(Chinese) 在调查人员发现发动机存在机械故障后，排除了飞行员操作失误的可能性。