今天早上电脑发生了故障。

Jīntiān zǎoshang diànnǎo fāshēngle gùzhàng.

The computer malfunctioned this morning.

这台机器有时候会出现故障。

Zhè tái jīqì yǒu shíhòu huì chūxiàn gùzhàng.

This machine sometimes experiences malfunctions.

他们正在修理汽车上的故障。

Tāmen zhèngzài xiūlǐ qìchē shàng de gùzhàng.

They are fixing the malfunction in the car.