break the back of
- do the hardest part of (a task)
- accomplish the main or hardest part of (a task)
...quot;melon that broke the monkey's back" and "final feather that broke the camel's back" The adventures of Tom SawyerOne of the earliest published usages...
... the bored so long as can't heart that the everythings break the back of a tough job , 2006-11-25 18:05:56 補充： this is an open question in the world...
... the RPM, at the same time, using your heel (or the back part of your foot) to tap on the break pedal to release some traction for the car to slide. 中: 我不知道這中文是否有什麼...