per·se·ver·ing
adjective/ˌpɜːsəˈvɪərɪŋ/
/ˌpɜːrsəˈvɪrɪŋ/
[usually before noun] (approving)- being determined to achieve a particular aim despite difficulties
坚持不懈的；不屈不挠的 - A few persevering climbers finally reached the top.
少数几个攀登者坚忍不拔，终于登上了顶峰。
- A few persevering climbers finally reached the top.