开动

开动

"开动" means "to start" or "to set in motion."

Here, '开动' is used to indicate beginning the operation of a machine or device.

现在开动机器吧！

Start the machine now!

In this sentence, '开动' metaphorically means initiating mental effort to think or brainstorm.

开动脑筋想出办法解决问题。

Activate your brain to come up with solutions to the problem.

Here, '开动' refers to beginning the action of eating.

晚饭已经准备好了，可以开动了！

Dinner is ready, you can start eating now!