malfunction|malfunctioned|malfunctioning

长期睡眠不足会导致身体机能失调。

Chronic sleep deprivation can lead to ___malfunction of the body.

看起来像是汽车出了故障。

It looks like the car has ___malfunctioned.

我的手机最近总是出故障，需要修理了。

My phone has been ___malfunctioning lately and needs to be repaired.