be done for 完蛋；完蛋了；毁了；累坏了

【例句】
Don't slouch or twirl your hair once you're there. If you do, you may be done for.
你千万不要显得无精打采或是用手指卷头发，否则的话，你的面试可能就完蛋了。

She was desperately ill and very little could be done for her.
她已病入膏肓，很难挽救了。