About
HSK levels

    lián

    1. (bound form) to ally oneself with; to unite; to combine; to join
    2. (bound form) (poetry) antithetical couplet

    这两个国家决定联合对抗共同的威胁。 Zhè liǎng ge guójiā juédìng liánhé duìkàng gòngtóng de wēixié.