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'.
(..) Quiet, quiet! l've seen the whole movie. l'll tell you the plot. Alfredo, what is it? l can't. The Host is on the altar. Father, l need you urgently... because l have doubts... terrible doubts tormenting my soul. Your soul. (..)1988 Cinema Paradiso
(..) How'd the rascal do it? He learned by watching. l'm telling the manager not to let you in! And l'll see Father Adelfio! No more altar boy! Finished! Alfredo! Up yours! l got it! l won! l won the football lottery! The Neapolitan won the lottery! (..)1988 Cinema Paradiso