1
bystander's vantage point;outsider's better grasp of the situation
彼女が彼に惚れてるのは岡目八目疑いのないところだよ。
As a disinterested third-party, I can declare that she secretly loves him.
2
onlookers see more of the game than the players do;people watching a game of go see eight moves further ahead
傍目八目という言葉があるように一度協会から離れて、日本サッカーをみて頂きたい。
Like the saying that things are seen clearest from outside I wish he'd leave the association for a time and take a look at Japanese soccer.
Other forms
傍目八目 【おかめはちもく】