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.
(..) ...the immortality of Jesus. I don't follow. Well, ma ch're, until that moment in history... ...Jesus was viewed by many of his followers as a mighty prophet... ...as a great and powerful man, but a man nevertheless. A mortal man. Some Christians held that Jesus was mortal. (..)2006 The Da Vinci Code