push through
v.
完成,挤过
如果说.I don't know how to push it through...意思是我不知道怎么能办好这件事.（可能有你说的无能为力的意思.）
但是.如果说.I'm still trying to figure out how to push it through .就是说还在努力.也不是没有希望.
I have pushed through the eaxm.我通过了考
The perseverance push him throuth the difficulty.
以上供你参考