Put your back into it. Come on!

把你的背放进去。来吧！

Put your backs into it! Heave!

使出全身力气 拉！

But say you really put your back into it, pushing as hard as you can.

但是让我们说你背对它 尽可能用力推动它。

But once you got your trap set and had the right lactitude , all that's left to do is to put your back into it.

但是一旦你设置好陷阱并拥有正确的自由度，剩下要做的就是全力以赴。