词典释义：
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He was justifiably proud of his achievements.
他有正当理由为自己的成就感到自豪
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He was justifiably proud of his achievements.
他无可非议地为自己的成就感到骄傲。
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The university can be justifiably proud of its record.
这所大学有理由为自己的纪录而自豪。
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We can draw a cause justifiably from an effect.
我们可以根据结果合乎情理地推导出原因。
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Indeed, she now says she intends to Sue for harassment, and justifiably.
确实，她现在说她要起诉被骚扰了，并且证据确凿。
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The guy in his undies thinks this is especially funny, and justifiably so.
那个内男裤觉得这个特别好笑，而且笑得有凭有据。
词根 just
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just adj. 公正的，合理的；正直的，正义的；正确的；公平的；应得的 adv. 只是，仅仅；刚才，刚刚；正好，恰好；实在；刚要
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justified adj. 有正当理由的；合乎情理的；事出有因的 v. 调整（justify的过去分词）；证明…正当
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justifiable adj. 可辩解的，有道理的；可证明为正当的
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justification n. 理由；辩护；认为有理，认为正当；释罪
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justify vi. 证明合法；整理版面 vt. 证明…是正当的；替…辩护