Go the extra mile:
To make more effort than is expected of you.
“Go the extra mile（多走一英里）” 是一个非常实用的短语。它用来表达某人为了获得成功，付出额外的努力，而且他们付出的努力往往超出他人的期望。
例句
You can tell he went the extra mile. His final essay was amazing.
你能看出来他付出了加倍的努力。他的结课论文写得非常好。
My teacher always goes the extra mile to try and help me understand the course.
我的老师总是做额外的工作，不遗余力地帮助我理解这门课程。
All those involved in the end-of-term project were happy to go the extra mile to ensure success.
所有参与期末项目的人都很愿意为确保项目成功多付出一点努力。
