1. 孤注一掷的；最后一搏的
    A last-ditch action is done only because there are no other ways left to achieve something or to prevent something happening. It is often done without much hope that it will succeed.

    e.g. ...a last-ditch attempt to prevent civil war.
           阻止内战发生的最后努力
    e.g. ...a desperate, last-ditch counterattack.
           孤注一掷的反击

1. of something done as a final recourse (especially to prevent a crisis or disaster)

    e.g. a last-ditch attempt