用行舍藏 written by chen1admincategoried in 中国成语大辞典 亦作“用捨行藏”。《论语·述而》:“子谓颜渊曰:‘用之则行,舍之则藏,唯我与尔有是夫。’”谓被任用就行其道,不被任用就退隐。