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1·Youth is a blunder; manhood a struggle; old age a ret.

青年时卤莽；中年时奋斗；老年时后悔。

2·Youth is a blunder; manhood a struggle, old age aregret.

青年冒失莽撞；成年发奋图强；老年遗憾懊丧。

3·Youth is a blunder; manhood a struggle, old age a regret.

青年冒失莽撞；成年发奋图强；老年遗憾懊丧。

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

青年鲁莽灭裂，中年奋斗不止；老年后悔无穷。

5·Youth is a blunder; manhood a struggle, old age a regret.

青年鲁莽灭裂，中年奋斗不止，老年遗憾懊丧。

6·Youth is a blunder; manhood a struggle, old age a regret.

青年是错误，成年是奋斗，老年是懊悔。

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

青年鲁莽犯错，中年奋斗不止，老年后悔无穷。