动词短语
中文翻译：后退
同义词：
['retreat', 'retreatback']
例句：
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1. The teambalked back when the refereeblew his whistle.
当裁判吹响哨子时，队伍撤退了。
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2. She balked back at the idea of moving toa new city.
她对搬到一个新城市的想法感到退缩。
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3. The soldiers balked backat the enemy's advance.
士兵们在敌人的进攻面前退缩了。