走遍天涯海角;历尽千辛万苦
牛津电影里 50%
to do everything possible, even if it is difficult, in order to get or achieve sth
A pilot will fight to the ends of the earth to save his airplane.
Like how to hunt somebody to the ends of the Earth
释义来自《牛津高阶英汉双解词典》第 9 版