敲诈: to rip off, to extort (money), extortion, blackmail...
薄弱: weak, frail...
天地: heaven and earth, world, scope, field of activity...
有关: to have sth to do with, to relate to, related to, to concern, concerning...
一下: (used after a verb) give it a go, to do (sth for a bit to give it a try), one time, once, in a while, all of a sudden, all at once...
俩: two (colloquial equivalent of ), both, some...
当下: immediately, at once, at that moment, at the moment...
广义: broad sense, general sense...
