形容词
中文翻译：无用的
同义词：
['useless', 'worthless', 'negligible']
例句：
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1.He is a good-for-nothing; he can't even finish his homework.
他是个没用的人，连作业都做不完。
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2. The old car is a good-for-nothing;it won't start and won't run.
那辆旧车是个废物，发动不了也跑不动。
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3.The new manager has been a good-for-nothing; he hasn't done anything useful.
新任经理是个废物，什么都没干出成绩来。