malfunction

故障、失灵

A minor malfunction in the engine delayed the flight by two hours.

引擎的小故障让班机延误了两个小时。

功能失常、机能障碍医学

The tests revealed a malfunction of the patient's kidneys.

检查结果显示病人的肾脏功能失常。

故障、失灵、出问题

The alarm system malfunctioned during last night's power outage.

警报系统在昨晚停电时失灵了。

运作失常、失常

When the thyroid malfunctions, the whole body is affected.

甲状腺运作失常时，全身都会受到影响。