避嫌: avoid doing anything that may arouse suspicion; avoid arousing suspicion
避嫌守义: insist on modestly maintaining one's righteous [correct] way
引退: retire from office; resign 短语和例子集体引退 collective resignation; 因无能而引退 get disability retirement; 他的引退给董事会留下了一个空缺。 his resignation left a vacancy on the board of directors