词典释义：
释义
〈非正式〉从一群人中找出真正有能力（或有魄力、成熟）的人，区分真汉子与小男人。
双语例句
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The first part of the race is not really difficult; it's the final three miles over rough and hilly ground that will separate the men from the boys.
比赛的第一阶段并不很困难，只是在最后三英里的不平整的山地上才分出高低强弱。