形容词
中文翻译：不好
同义词：
['fail', 'inadequate', 'unsatisfactory']
例句：
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1. The performance was not up to thestandard we expected.
这次的表现没有达到我们预期的标准。
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2. The team's lack ofexperience is a major disadvantage.
团队缺乏经验是一大劣势。
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3. The project was not feasibledue to budget constraints.
由于预算限制，这个项目不可行。