leave someone in the lurch

/L IY1 V S AH0 M W AH0 N IH0 N DH AH0 L ER0 CH/
verb
  1. 1

    To abandon somebody; especially, to abandon somebody and leave him or her in a difficult situation.

    โ€œHe left me in the lurch and I had to finish the whole project by myself.โ€

Source: https://en.wiktionary.org/wiki/leave%20someone%20in%20the%20lurch