教别人才真懂

字幕原文

The moment I really understood something was the moment 我真正弄明白一件事的时刻，正是

I tried to teach it to someone else. 我试着把它教给别人的时候。

A friend asked me to show her how 有次一个朋友让我教她怎么

to use a program I thought I knew well. 用一款我自以为很熟的软件。

I sat down feeling confident, 我满怀信心地坐下，

and within five minutes I was completely stuck. 结果不到五分钟就彻底卡壳了。

I couldn't explain the simplest step. 连最简单的一步我都讲不明白。

It turned out I didn't understand it nearly 事实证明，我对它的了解

as well as I believed. 远没有我想象的那么深。

I just knew how to click the buttons without thinking. 我之前其实只是凭习惯机械地点点按钮罢了。

Having to put it into words for someone 非得用语言讲给别人听，

else exposed every gap in my knowledge. 一下子把我所有的知识盲区全暴露了。

And filling those gaps taught me more 而把这些盲区一一补齐，让我学到的东西

than months of using it alone did. 比我自己闷头用上几个月还要多。

Now, whenever I want to really learn something, 现在，每当我想真正搞懂某件事，

I imagine having to explain it to a beginner. 我都会想象自己正要把它讲给一个新手听。

If I can't, I don't truly know it yet. 如果讲不清楚，那就说明我其实还没真懂。