And Dr. Watson who's his sidekick is trying to figure out

他的帮手沃森博士一直想知道
how Holmes could possibly have solved the murder.

福尔摩斯是怎么找出凶手的
He says how did you solve the murder?

他问你是怎么找出凶手的呢
Holmes says, it's because of the barking dog.

福尔摩斯答曰通过狗是否会叫来判断
And Watson says, what do you mean it's because of the barking dog?

沃森追问道具体怎么判断呢
The dog didn't bark. Holmes says, that's exactly the point,

如果狗不叫福尔摩斯解释道
the fact that the dog didn't bark, didn't make any sound

狗不叫不发出任何声音
tells us who must have committed the murder.

这个现象就告诉我们了谁是凶手
It's very easy to fall into the trap of being Watson

我们往往会犯下沃森一样的错误
and to ignore the thing that didn't happen

忽视了没有发生的事情
and focus on the things that did happen.

却只注意到已经发生了的事情
Here, it's easy to forget that actually

在我们的案例中我们容易忽略