The troops made a desperate 'last-ditch' effort to keep the town from being captured.
The negotiations were a 'last-ditch' attempt to prevent a labor strike.
His girlfriend 'ditched' him. = He 'got ditched' by his girlfriend.
(..) "Why are you doing this?" James, let's not play with our food. He's not here. Whenever the weather's nice, the Cullens disappear. What, do they just ditch? No, Dr. and Mrs. Cullen yank them out for, like, hiking and camping and stuff. I tried that out on my parents. Not even close. (..)2008 Twilight