We traced the trouble to a faulty transformer.

我们障一个有毛病的变压器。

The rocket flight had to be aborted because of difficulties with computer.

因电脑障，这次火箭飞行只好中辍。

Our car broke down on the outskirts of the city.

我们的汽车市郊了障。

There is a fault in this machine.

这台机器了障。

There is something wrong with the motor.

电机障了。

My car overheated and broke down.

我的汽车变得过热, 了障。