Definition
To complete the most difficult or significant part of a task or project.
完成某事最困難或最重要的部分。
After months of hard work, we've finally broken the back of the project.
經過數月的努力,我們終於完成了這個專案最困難的部分。
Once we finish coding this program, we'll have broken the back of the work.
一旦我們完成這個程式的編碼,我們就完成了這項工作最困難的部分。
The team broke the back of the time-consuming task after working for hours straight.
團隊在連續工作了幾個小時後,終於完成了這項耗時的任務最困難的部分。