Moral Panics over new media are old hat.

新媒体带来的道德恐慌已是老生常谈了。

This ice cream base is so easy to make and for you seasoned Bold Bakers out there, you're old hats at it.

这种冰淇淋底料制作起来非常简单， 对于那些经验丰富的 Bold Bakers 来说，你已经是老手了。

There will be a point where that stuff is old hat and you've shipped a few features or whatever your work is, and you now can start to say, Something's up over here.

到了某个时候，这些东西就已经过时了，你已经发布了一些功能或无论你的工作是什么，你现在可以开始说，这里出了点问题。