Off the beaten path/track: far away from where people normally live or go 偏僻,人迹罕至
Our house is a bit off the beaten track. 我们的房子的地点有点太偏僻了.
They live miles off the beaten track. 他们住在偏远地带.
Beat: to make a path, etc. by walking somewhere or by pressing branches down and walking over them 踏出,踩出(道路) VN ~ sth (through, across, along, etc. sth)
a well-beaten track (= one that has been worn hard by much use) 经过很多人踏出来的路 
Behind the scenes:在幕后,暗地里,秘密地(指讨论,安排等) not seen by the public
这个表达法原指剧场中观众看不到舞台部分.
The general public knows very little about what happens behind the scenes in politics. 公众对政治内幕了解甚少.
There was a lot of behind-the-scenes activity at the peace conference. 这次和平会谈有很多幕后活动.