Píngchuī (-)
original: 平吹
blowing techniques (SE Asian mouth organs): in-/exhaling
Literal translation: 平: "flat / level", "even / smooth", "calm / quiet", "average / common"; 吹: "(to) play (a wind instrument)"; Defined by Wong as "plain playing".
Wong, Samuel Shengmiao: Qi’ - An instrumental guide to the Chinese orchestra. Singapore, 2005, p.143.
汉英词典 (Hàn Yīng cídiǎn) / A Chinese-English dictionary. 北京 [Běijīng], 1985, p.522 & 108.