•desperate poverty赤贫

•a desperate shortage of food/supplies食物／供应品的极度匮乏

•The situation is desperate - we have no food, very little water and no medical supplies.形势非常严峻——我们没有食物和药物，只有很少的水。

•The earthquake survivors are in desperate need of help.地震幸存者极需帮助。

•He has a desperate desire to succeed.他非常渴望成功。

•informal I'm in a desperate hurry.我饿极了。

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•They are desperate for help.他们非常需要帮助。

•[+ to infinitive] He was desperate to tell someone his good news.他很想把自己的好消息告诉别人。

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•The doctors made one last desperate attempt/effort to save the boy's life.医生们为挽救男孩的生命作了最后一次努力。

•Desperate measures are needed to deal with the growing drug problem.需要对越来越严重的毒品问题采取强而有力的措施。

•They made a desperate plea for help.他们拼命求助。

•This man is desperate and should not be approached as he may have a gun.此人已是亡命之徒，可能还有枪，千万不要靠近。