Definition
To complete the most difficult or significant part of a task or project.
完成某事最困难或最重要的部分。
After months of hard work, we've finally broken the back of the project.
经过数月的努力,我们终于完成了这个项目最困难的部分。
Once we finish coding this program, we'll have broken the back of the work.
一旦我们完成这个程序的编码,我们就完成了这项工作最困难的部分。
The team broke the back of the time-consuming task after working for hours straight.
团队在连续工作了几个小时后,终于完成了这项耗时的任务最困难的部分。