老当益壮的解释 (1) [hale and hearty in old age; be old but vigorous]∶主要指老年人继续保持旺盛的斗志 丈夫为志,穷当益坚,老当益壮。《后汉书马援传》 (2) [florid old; be old in age but buoyant in spirit; there's...