下定决心干某事用英文怎么说
时间：
"Make up one's mind" 或者 "make a firm decision" 是表示下定决心干某事的常用说法。
来源：这个说法源自英语中的 "make up" 意思是 "做出，决定"，"one's mind" 意思是 "主意，决心"。
例句：
I need to make up my mind about whether to accept the job offer. (我需要下决心是否接受这份工作邀请。)
He's still trying to make up his mind about what to do next. (他还在试图决定下一步该怎么做。)
She finally made up her mind to go to college. (她最终决定去上大学。)
来源：这个说法源自英语中的 "make up" 意思是 "做出，决定"，"one's mind" 意思是 "主意，决心"。
例句：
I need to make up my mind about whether to accept the job offer. (我需要下决心是否接受这份工作邀请。)
He's still trying to make up his mind about what to do next. (他还在试图决定下一步该怎么做。)
She finally made up her mind to go to college. (她最终决定去上大学。)