Xiàhuí huáyīn 下回滑音 “Downward Returning Slide”
The inverse of Shàng huí huáyīn. Press a string first. Pluck the string, relax the left hand at the same time, then press the left hand for a returning, upward slide. Ferguson offers another name for this, Dī huízhuǎn huáyīn 低回转滑音 (trad. 低回轉滑音) “Low Returning Slide”. Kao offers the Henan term Sù huáyīn 速滑音 “Fast Slide”.
Alternate notation: