名词
中文翻译：懦夫
同义词：
['coward', 'cowardice']
例句：
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1. He was a coward who always ran away from danger.
他总是逃避危险，是个懦夫。
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2. The brave soldier stood up to the enemy and fought bravely.
勇敢的士兵勇敢地与敌人作战。
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3. A coward would never dare to speak out against injustice.
懦夫不敢对不公正说不。