Nothing happened when I tried to turn the engine on.我试图启动引擎，但没有任何反应。You pull hard on this lever to start the motor.用力拉这根杆来启动引擎。Rory started up the engine and got the vehicle moving.罗里启动引擎，把车辆开动起来。When I give the signal, turn on the engine.我发出信号就启动引擎。