What is the best way to master a skill?

掌握技能最好的方法是什么？

Mr. Yuan is a fine example that: it's never too late to master a skill.

国人古训“活到老学到老”，袁老人就是一个最好的榜样。

In all, becoming a specialist means we master a skill, but becoming a generalist can complete a person and help him to be a better one.

总之，成为一个专才我们只掌握一门技能，而成为一个通才则可以完善个人，变得更好。 。

There are many theories that attempt to quantify the number of hours, days, and even years of practice that it takes to master a skill.

有很多的理论试图将掌握一门技术的时间定量，定量到几小时、几天，甚至几年。