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to roll around in one's mind
01
to be thought about by someone without much coherence
![to [roll] around in {one's} (mind|head) definition and meaning](https://cdn.langeek.co/photo/45317/original/?type=jpeg "to [roll] around in {one's} (mind|head) definition and meaning")
Collocation
Example
Various ideas and possibilities roll around in my mind when I 'm brainstorming.
Random thoughts and memories roll around in his head as he tries to fall asleep.
Worries and concerns about the future often roll around in my mind at night.
例
Various ideas and possibilities roll around in my mind when I'm brainstorming.
Random thoughts and memories roll around in his head as he tries to fall asleep.
Worries and concerns about the future often roll around in my mind at night.
The question of what to do next rolled around in her head, causing confusion.
