"终于"用英语可以说成"finally"。以下是一些使用"finally"的例句：
1. After months of hard work, she finally achieved her dream of becoming a doctor.
2. They finally found a solution to the problem.
3. After waiting for hours, the bus finally arrived.
4. He finally decided to take the job offer.
5. After years of searching, they finally found their lost child.
6. The movie finally ended after a long and emotional journey.
7. She finally mustered the courage to speak up at the meeting.
8. They finally completed the project ahead of schedule.
9. After a long day, they finally got to relax and unwind.
10. He finally achieved his goal of running a marathon.