She sacrificed honesty 'on the altar of success'. [=she chose to be dishonest in order to achieve success]
They started a romance that eventually 'led' (them) 'to the altar'.
Her fiancé 'left her at the altar'.
(..) I'm just trying to be honest. I will not allow the future President of the United States to be dumped at the altar by some psycho Daisy Mae! You go after him, you little bitch! ...Wait just a minute, missy. Uh, there... there's no need (..)2002 Sweet Home Alabama