孑孑为义 (孑孑為義) jiéjié wèi yì

jiéjié wèi yì set phrase petty affairs; small favors
Domain: Idiom 成语
Notes: Idiom from a poem by 韩愈 Han Yu (CC-CEDICT '孑孑為義'; Guoyu '孑孑'; Mathews 1931 '孑孑為義', p. 107)