名词短语
中文翻译：不成功的
同义词：
['failure', 'unsuccessful例句：1. He was hit-and-miss in his job search.（他在求职过程中很不顺利。）']
例句：
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1. He was hit-and-miss in his job search.
他在求职过程中很不顺利。
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2. The project was hit-and-miss due to budget constraints.
由于预算限制，这个项目很不成功。
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3.She's hit-and-miss with her friends; some are close, others are distant.
她与朋友们的关系时好时坏，有的亲近，有的疏远。