to switch off the motor

• 熄火

to switch off the motor的用法和样例：

例句

1. The car is still running, turn it off!
   车还没熄火儿呢，把火儿熄了！
2. If you try to start off in top gear you'll stall.
   要是刚一发动就用最高挡，那就会熄火。