半步萧音半宛清愁
[bàn bù xiāo yīn bàn wăn qīng chóu]
It depicts 'half-step sounds of Xiao flute and half of lingering sorrows'. It paints a vivid picture of melancholic melodies and emotions conveyed by this traditional Chinese vertical-blow flute called xiao and reflects on sorrow or distress caused during playing.