English

Verb

break one's back

1. Used other than as an idiom: see break,‎ back.
2. (idiomatic) To make a supreme effort.
   • 2008, Stuart Smith, The Mad Ramblings of a Monkey: The Nefarious Project (page 17)

     See, it's not that I'm a disagreeable person. I just have a motto that I won't break. If I'm asked to do something, I'll break my back to see that it's done.