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shrewd
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/ʃru:d/
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adj. 判断敏捷的，精明的
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• He was a shrewd businessman. He knew which side his bread was buttered on. 他是一个精明的商人。深知自己的利益所在。
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【同】astute, judicious
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【反】dull, obtuse
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treaty
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/ˈtri:ti/
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n. 条约；协定，约定
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• The treaty gave (a) fresh impetus to trade. 这条约使双方的贸易又推进了一步。
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【同】pact, convention, agreement
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30
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adversary
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/ˈædvəsəri/
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n. 对手，敌手
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• He is a shrewd and sometimes ruthless adversary. 他是个精明的、有时候冷酷无情的对手。
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【同】antagonist, competitor
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【反】ally, friend
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活用思维导图：英语单词轻松记忆
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活用思维导图：英语单词轻松记忆 Practice