1.表述：lucky dog

释义：An incredibly lucky person; one who falls into good fortune.（幸运儿）

例句：A: I won another bet in the basketball tournament — that's three in a row now!

我又赢了一场篮球赛，现在已经是三连胜了！

B: Wow, you lucky dog!

哇塞，你真幸运。

Just when he was looking to take some time away from work to focus on raising his kids, the company began offering really excellent voluntary severance packages to reduce the number of staff. What a lucky dog, huh?

就在他想从工作中抽出一些时间来专心抚养孩子的时候，就在他想从工作中抽出一些时间来专心抚养孩子的时候，真幸运。

You're a lucky dog as your children get along with each other. My two fight like cat and dog all the time.

你们真幸运，你的孩子相处得很好，我的两个孩子整天争吵不休。

2.表述：fight like cat and dog

释义：To constantly fight or argue.（争吵不休）

例句：Those two fight like cat and dog, so please don't put them together on the project.

那两个人吵得不可开交，所以在这项工程上，请不要把他们放在一起。

My brother and I were very close in age and we used to fight like cat and dog.

我和我哥哥在年龄上相仿，我们经常吵架。

They had fought like cat and dog ever since he could remember and he wondered how they'd managed to stay together.

从他记事起，他们就打得不可开交，他知道他们如何才能相处得好。

My parents used to fight like cat and dog yet paradoxically they still loved each other.

我父母亲过去一直吵得你死我活，然而反常的是他们仍然彼此爱着。

3.表述：rain cats and dogs

释义：To rain extremely heavily.（倾盆大雨）

例句：We were so disappointed that it rained cats and dogs for our whole vacation in Hawaii.

我们非常失望，整个夏威夷的假期都在倾盆大雨中度过。

We wanted to have a barbecue this weekend, but it's been raining cats and dogs since Friday evening.

这个周末我们想去烧烤，但是从星期五晚上开始就下起了倾盆大雨。

When we were well on the way, it began to rain cats and dogs.

我们正走到半路上，天下起大雨来了。

Hardly had we left home when it began to rain cats and dogs.

我们刚刚离开家就下起倾盆大雨来了。

In the middle of the picnic it started to rain cats and dogs and everybody got soaked.

野餐进行到一半时，天开始下起大暴雨，弄得每个人都湿透了。