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.
(..) we'll talk some more. Assuming you're still sane, that is. I am the spirit of Delphi... speaker of the prophecies of Phoebus Apollo... slayer of the mighty Python. Approach, seeker, and ask. I heard there was a prophecy about me. Aye. But before you learn the future, know first the past. (..)2013 Percy Jackson: Sea of Monsters