What was once exciting and new becomes old-hat; regret creeps in.

曾经令人激动和带来新奇的东西到手后不过像老旧的礼帽，懊恼悄然而至。

In fact, that's old hat for crows.

事实上，乌鸦老早就学会了这门手艺了。

The children are making a joke about his old hat.

孩子们正拿他那顶旧帽子开玩笑.

He discarded an old hat and an old pair of shoes.

他扔掉了一顶旧帽子和一双旧鞋.

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。

By now, putting satellites in orbit is old hat to space scientists.

目前,对航天学家来说, 把卫星发射到轨道已不是什么新鲜事了.

Nowadays, putting satellite into orbit is old hat to space scientists.

现在, 对航天科学家来说,把人造卫星送入空间卫星轨道已不算是什么奇迹了.

Whether you’re new or an old hat to frugality, you might face issues with clutter.

无论你对“节俭”持的是新观念还是旧观念，你也要面对杂物这个问题。

In fact, if I keep talking, soon enough you will start to think I am an old hat about this---a real expert.

其实，如果我保密的话，不久你们就会认为我是一个陈腐的专家，真的，不骗人。

But as time goes by, our oldtargets get a bit ‘old hat’ and we become tired with the routine weneed to follow in achieving them.

但随着时间流逝，我们渐渐觉得我们的“老”目标有点过时了（译者：看吧，这就是喜新厌旧了），为了要达到这个老目标而做的事让我们觉得很累。