发动

In a sentence

• 他发动了汽车，准备出发。

  He started the car, getting ready to depart.

  Here, '发动' means 'to start,' referring to starting a vehicle.

• 这个国家发动了一场战争。

  This country initiated a war.

  In this context, '发动' translates to 'to initiate' or 'to launch,' as it pertains to starting a war.

• 我们需要发动全员的力量来完成这个任务。

  We need to mobilize the efforts of all members to complete this task.

  Here, '发动' means 'to mobilize,' used to describe organizing or motivating a group of people.