决心要

• set one's mind on
• determine
• resolve

例句

1. 我下定决心要赢得冠军。
   I've set my sights on winning the championship.
2. 书原主可能是些用功的学生，他们开始读的时候很认真，决心要把这些书读好。
   The owners, probably earnest students, had started out very seriously, determined to master the books.
3. 她决心要实现自己的（人生）目的。
   She's absolutely determined to succeed (in life).
4. 她决心要赢（这项径赛）。
   She was determined to win (the race).
5. 即使这工作要花掉我六个星期的时间，我仍决心要把它完成。
   Even if it will take me six weeks, I am determined to finish the job.