By now, the code in Listing 17 should be old hat to you.

现在，清单17中的代码对您来说太陈旧了。

youdao

Despite such worries, group messaging looks destined to be old hat by the time next year's SXSW comes around.

尽管存在这些疑虑，但随着明年下一届SXSW嘉年华的到来，群组信息似乎注定要成为过去式。

youdao

Before you can change the button's label, though, you need to get access to the node; and before you can do that, you need an ID to reference the button by. This should be old hat by now, right?

在修改按钮的标签之前需要访问该节点，而在此之前需要引用按钮id。

youdao

While books and movies may be old hat for Crichton, having his own dinosaur species satisfies dreams he barely knew he had.

FORBES: Forbes Faces: Michael Crichton

For futures traders, understanding these terms may be old hat, but for the rest of us, the concept can be confusing and foreign.

FORBES: You Say Contango, I Say Problemo

The result store cards, Karstadt-branded credit cards and direct marketing may be old hat in America or Britain, but in Germany they are still near-novelties.

ECONOMIST: KarstadtQuelle