用set the wheels in motion表达“开始行动，使某事开始运

在英语中，常用短语“set the wheels in motion”，字面意思是“让轮子动起来”，实际上指的是“使某事开始运转、实施”。

• Victoria dreamed of becoming an Olympic cycling champion. She set the wheels in motion by buying a racing bike.
• Neil decided to move to the country. He set the wheels in motion by calling an estate agent.

值得注意的是，与wheel相关的短语还有一个“oil the wheel”，比喻用圆滑手段使某事顺利进行。

• John offered his expertise, which helped oil the wheels on the big building project.