Definition
To apply considerable physical effort and energy to accomplish something.
努力以赴
If we really put our backs into it, we can finish this project today.
如果我們真的全力以赴，我們今天就能完成這個項目。
He put his back into finishing the sculpture.
他全力以赴完成了這座雕塑。
They need to put their backs into it to finish this challenging task before the deadline.
他們需要全力以赴才能在截止日期前完成這項具有挑戰性的任務。