Because the guys who make backpacks aren't cool.

因做背包的人很落伍。

So an archaic concept is an old-fashioned idea.

所以古老的概念就是落伍的观念。

Not knowing about the internet makes me feel so premodern.

不懂因特网让我感觉很落伍。

It's too late to save this straggler.

要想救这个落伍者已时太晚。

Because you don't want to be seen as behind the times.

因没人愿意被看作是落伍的人。

Who gonna call me out when I'm being corny?

我又落伍的时候谁来告诉我？

I might be super slow, but what does chef's kiss mean?

我可能超级落伍，但厨师的吻是什意思？

Flipboard charts have suffered a swifter reverse.

在翻转板上画图表这种方式落伍得更快。

Have fables fallen so out of fashion that the princesses have to do everything themselves?

难倒童话现在已经如此落伍，公主们必须要亲力亲?

This is an old expression and it may sound dated.

这是个古老的表达，也许听上去有点落伍了。

Call the Sistine Chapel. I guess art is out.

那可是西斯廷教堂风。我猜艺术已经落伍了。

Others panned the color as boring, out-of-touch and unflattering.

但也有一些人认这个颜色乏味、落伍、不衬肤色。

Just like long pants, toxic machismo has gone out of style.

就像长腿裤，荼毒人心的男子气概那一套已经落伍了。

But I never felt like, " Oh my God, I'm missing out by not having a phone."

但我却从没感觉“天哪，我连手机都没有，真是落伍了。”

A big reason for buying that new phone is because your current phone is slow or out of date.

人们买新手机的主要因素就是手头的手机不是运行慢就是落伍了。

Let me give you an example of the kind of broken gold standard thinking that still permeates our discourse.

让我给你们举一个那种落伍的仍然渗透在我们的话语中的金本位思想。

William James, the great psychologist, said that most men are old fogies at 25.

“伟大的心理学家威廉? 詹姆斯就曾说过，大多数人“25岁时就成了守旧落伍者”。

The theoretical pontificating of 18th- and 19th-century political economists on welfare and inequality had rather fallen out of fashion.

18世纪和19世纪的政治经济学家提出的关于财富和不平等的理论已经落伍。

Yes, I'm a little behind on the times, but I believe the term you're searching for is " O.M.G."

虽然我有点落伍，不过如果用一个词概括你现在的感受，就是 " 我的天" 吧。

You are indeed behind the age!

你确实落伍了！