in the lurch
Adverb
Meaning
in a difficult or vulnerable position
Source: WordNetSynonyms
Examples
Field Marshal Model was a peerless master of the large-scale defensive battle. Always present himself at critical points, he asked a great deal of his troops. Often he was harsh, sometimes ruthless. But he always found the answer to the trickiest of situations, never leaving his men in the lurch.
I was understandably deeply disappointed that the highest National Socialist leaders did not stand up and answer for the deeds they had done in the past and left those of us who could not be made personally responsible in the lurch.
All men are chums who will never leave each other in the lurch. A chum doesn't forgive, he just forgets - women forgive everything but never forget. Being forgiven is very unpleasant.
he resigned and left me in the lurch