青年鲁莽灭裂，中年奋斗不止；老年后悔无穷。

Youth is a blunder; manhood a struggle; old age a regret.

youdao

青年鲁莽犯错，中年奋斗不止，老年后悔无穷。

Youth is a blunder; manhood a struggle; old age a regret.

youdao

青年鲁莽犯错，中年奋斗不止，老年后悔无穷。

Youth is a blunder; manhood a struggle; old age a regret.

youdao