Definition
To irrevocably commit to a course of action, eliminating any possibility of returning to a previous state or position.
自断退路
He publicly criticized his boss, which was like burning his bridges.
他公开批评了他的老板，这就像是自断后路。
After deciding to move abroad, she sold all of her possessions, completely burning her boats.
在决定移居国外后，她卖掉了所有的财产，彻底断了自己的后路。
By publicly announcing his resignation, he burned his bridges, making it impossible to return to his previous position.
通过公开宣布辞职，他断了自己的后路，无法再回到以前的职位。