1. make up one's mind (下定决心)
e.g. I can't decide which job offer to accept, I need to make up my mind soon.
2. have a lot on one's mind (心事重重)
e.g. She seems distracted lately, maybe she has a lot on her mind.
3. keep in mind (记住)
e.g. When you're shopping for a new car, keep in mind your budget.
4. change one's mind (改变主意)
e.g. I was going to go to the party, but then I changed my mind.
5. lose one's mind (失去理智)
e.g. He completely lost his mind when he saw the damage to his car.
Mind是一个非常常用的词，可以用来表达许多不同的意思。我们可以用以上短语来丰富我们的语言表达，使我们的语言更加生动有趣。
