开动马达

start up a motor

开动汽车

start up a car

开动机器

start up a machine

开动各种宣传机器

crank up all types of propaganda machinery

用煤开动

run on coal

火车开动以后

after the train started moving

列车开动了。

The train has started to move.

队伍休息了一会就开动了。

The team rested for a while and then set off.