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HSK levels

    下流

    xiàliú

    1. lower course of a river
    2. low-class; mean and lowly
    3. vulgar; obscene

    他说的话很下流,让大家都很不舒服。 Tā shuō de huà hěn xiàliú, ràng dàjiā dōu hěn búshūfu.