shutoff horsepower

例句：

1. 1.The engine shut off unexpectedly.
   发动机突然熄火了。
2. 2. The power switch was shut off by the storm.
   暴风雨把电源开关关了。
3. 3.The brakes were shut off due to a faulty sensor.
   刹车因为传感器故障而失效。