"What's happened's happened", which is an expression of faith in the mechanics of the world. It's not an excuse to do nothing.

语音讲解：

今日发音练习重点：

1. What's happened's happened. 中's均为has的缩约

2. of faith 后进同化

3. mechanics 重音位置在第二音节 me‧'chan‧ics

4. excuse词性不同，尾音不同。名词尾部为/s/，动词尾部为/z/

言之有物：

1. 词根：mechan(machine)

*同源词：

① me'chanic【mechan 机器 + -ic 表示人的后缀名词 → 】n. 机械士；技工

② me'chanics【mechan 机器 + -ics = science, system → 】 n. 机械学；力学；技巧

③ me'chanical【-al 形容词后缀 → 】adj. 机械的；呆板的

④ 'mechanism【-ism 名词后缀 → 】n. 机械（装置）；结构；技巧

⑤ 'mechanize【-ize 动词后缀 → 】 v. 机械化

2. What's happened's happened. 发生的既已发生。

=What has happened has happened.

类似句式还有：

What is done is done. 木已成舟。

What is done cannot be undone. 往事不可追。

It's too late to change it now. What's done is done.

现在改变不了了。木已成舟。

What's done is done. The past cannot be altered.

过去的已过去，木已成舟了。

Well, well, the thing is done. Let us go forward in hope.

木已成舟，我们一起祝愿未来吧。

图片源自《唐顿庄园》

3. excuse作为名词的用法：

① an excuse for 对于XX的借口

What excuse did they give for the delay?

他们延期的借口是什么？

There's no excuse for that sort of behaviour.

那种行为没什么可辩解的。

There's no excuse for what I did, Les.

我的所作所为没有借口，莱斯。

图片源自《芝加哥烈焰》

② an excuse to do 借口做某事

She was just looking for an excuse to call him.

她正在找借口电他。

③ have an excuse 有借口

Joe was late, but as always he had an excuse.

Joe迟到了，但一如往常，他有理由。

You've got an excuse for everything, don't you?

你凡事都能找到理由，是不是？

图片源自《灵书妙探》

④ make/give an excuse 找借口

He made some excuse about having a lot of work to do.

他找了个借口，说自己工作很多。

excuse的搭配：a reasonable / valid / legitimate excuse

有道理的 / 有效的 / 合理的借口

活学活用：

请用 excuse 随意造句

《信条》（Tenet）：该片讲述了一名特工，在经过组织严密训练之后，被派去执行一项重要的任务，最终在搭档的帮助下，顺利完成了任务并拯救了世界。

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