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HSK levels

    五金

    wǔjīn

    1. metal hardware (nuts and bolts)
    2. the five metals: gold, silver, copper, iron, tin 金銀銅鐵錫|金银铜铁锡[jin1 yin2 tong2 tie3 xi1]

    我在五金店买了一些螺丝和钉子。 Wǒ zài wǔjīn diàn mǎile yīxiē luó​sī hé dīngzi.