have wheels in one's head

例句：

1. 1.She has a lot of ideas for her next project.
   她有很多关于下一个项目的点子。
2. 2.He had a wheel in his head when he was thinking about the problem.
   他在思考这个问题时脑子里有个主意。
3. 3. The artist had a wheel in his head, and it helped him create the painting.
   这位艺术家脑子里有个主意，这帮助他创作了这幅画。