1. 词汇：flog a dead horse

释义：To continue to focus on something—especially an issue or topic—that is no longer of any use or relevance.
（继续专注于没有用处或者关系的事情，徒劳，继续做一件毫无成功希望的事情）

例句：Pam’s flogging a dead horse trying to organize the theatre trip. It’s quite obvious that nobody’s interested.

帕姆正在徒劳地组织这次戏剧旅行，显而易见没人感兴趣。

The history teacher lectured us every day about the importance of studying history, until we begged him to stop flogging a dead horse.

历史老师每天都给我们讲学习历史的重要性，直到我们求他不要再白费口舌。

Don't try to flog a dead horse. We have already made our final dicission.

别白费唇舌了，我们已经做出了最后的决定。

2. 词汇：hold one’s horses

释义：Slow down or to be patien (often because you are moving too quickly or thoughtlessly). （耐心等待，沉住气，忍耐）

例句：Whoa, hold your horses, kids. We're going to sing before we start eating cake.

慢些，等等，孩子们，我们要在开始吃蛋糕之前唱歌。

I know you're excited to see the girlfriend, but you all just need to hold your horses while we get set up.

我知道你们很兴奋去见你的女友，但是在我们打点好一切期间，你们要耐心等待。

They wanted to say something but I told them to hold their horses until I have finished mine.

他们想说些什么，但我叫他们忍耐一下，等我讲完再说。

——Let me beat him up. —— Hold your horses!

——让我揍他一顿! —— 忍耐一下吧！