I can't stand her when she 'acts/gets (all) high and mighty' like that.
He's not so 'high and mighty' now that he needs our help.
It took a 'mighty' effort to get everything done on time.
(..) What? -Some paper? -Write it fast. We're on the clock. "Hit, resist, swing at agents?" -They're pretty mighty. -Action. You're going to help us, Mr. Anderson. Whether you want to or not. -Cut. (..)2001 The Matrix Revisited