To be left high and dry; to have support or help withdrawn unexpectedly so that one is left in a difficult situation.
プロジェクトの途中で上司に梯子を外され、責任だけ残された。
My boss pulled the rug out from under me in the middle of the project, leaving only the responsibility.
仲間に手伝ってもらえると思っていたが、急に梯子を外されて一人で対応することになった。
I thought my colleagues would help, but they suddenly abandoned me and I had to handle it alone.
彼は汚職の証拠を出そうとしたが、重要な証人が梯子を外されてしまった。
He tried to present evidence of corruption, but a key witness was pulled out and abandoned him.