Is "made up someone's mind" an idiom? What are the similar expression of this?
Native speaker’s answer
Rebecca
Yes it is! "Made up my mind" is an idiomatic expression that means to make a decision that cannot be easily changed. In this video, he made a decision that his children would know who their father was because he didn't know his father as a child. Similar expressions to "made up my mind" would be "reached a decision," "concluded," "committed myself," "set my sights on," "pursued," etc. Ex: She made up her mind to go to college. Ex: I committed myself to exercising daily. Ex: My sights are set on getting a degree in biology. Ex: I reached a decision that I would never smoke a cigarette.