短语
中文翻译：在第一次尝试中
同义词：
['at the outset', 'at the beginning']
例句：
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1.At the first brush, I realized that I had made a mistake.
首次尝试时，我意识到我犯了一个错误。
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2.At the first brush, we were able to identify the problem.
首次尝试时，我们能够识别出问题所在。
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3. At the first brush, we decided to take action.
首次尝试时，我们决定采取行动。