unedifying
[ʌnˈedɪfaɪɪŋ]
adj.
无启发性的，无益于教化的，（道德上）令人厌恶的;
例句:
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It's about time this unedifying charade ended.
来自THETIMES
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His friendships, too, were an unedifying spectacle.
来自NEWYORKER
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the unedifying sight of the two party leaders screeching at each other
两党党魁狺狺对吠的讨厌情景
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On the unedifying side , numerous fellow Singaporeans have treated their healthcare professionals like pariahs.
但是, 却有许多丑陋的新加坡人,视医疗人员为避之则吉的瘟疫.
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It's been unedifying, to say the least.
来自THETIMES