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Zhendic, a Chinese (trad.)-Pinyin-English dictionary
based on CEDICT
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不 可 逾 越 bù kě yú yuè : impassable; insurmountable; insuperable

不 通 bù tōng : be obstructed; be blocked up; be impassable; not make sense; be illogical; be ungrammatical

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Zhendic searched impassable as en in 0 s.
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Ressources : Unihan database, Guoyu Cidian, Lindict

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