About
HSK levels

    交九

    jiāojiǔ

    1. the coldest period of the year; three nine day periods after the winter solstice

    交九的时候天气最冷,大家要注意保暖。 jiāojiǔ de shíhou tiānqì zuì lěng, dàjiā yào zhùyì bǎonuǎn.