pìnn-bīn變面

to humble oneself

to humble oneself; to swallow one's pride; to look angry; to have an angry expression

English Wiktionary, “變面” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%AE%8A%E9%9D%A2 · confidence: High (Wiktionary, PH/Quanzhou/Jinjiang)