kiông-gân強顏

to reluctantly feign happiness

to reluctantly feign happiness; to assume a joyous mood reluctantly; to have no sense of shame

English Wiktionary, “強顏” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%BC%B7%E9%A1%8F · confidence: Medium (Wiktionary, Hokkien)