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on one's mind
01
with one's thoughts or concerns centered on a particular subject or issue
Idiom
InformalWhat is the origin of the idiom "on one's mind" and when to use it?
The idiom "on one's mind" originated from the concept of thoughts and concerns occupying a person's mental space or preoccupying their thoughts. It signifies the presence of a specific topic, worry, or issue that is prominent in an individual's thinking and attention. The phrase is used to emphasize the mental focus and significance of the subject matter, suggesting that it is actively occupying the person's thoughts and influencing their state of mind.
Example
The news set heavily on my mind, leaving me feeling anxious.
Stop beating around the bush and tell me what's really on your mind.
With the upcoming exam, studying is constantly on my mind.
From the way her friend hesitated before answering, she gathered that something was on their mind.
Right now work is the last thing on my mind.
