come down with，除了译为“和什么一起下来”，还有一

短语动词 come down with 原意为“和……一起下来”，例如：

It would be very difficult to come down with the price. 

我们很难再降价了。

它还有一个意思“染上，得了（病）”，寓意：

to have (usually a disease)

有（通常是一种疾病）

start to suffer from a particular sickness

开始患某种疾病

fall ill with

生病

例如：

The Joshi's have all come down with the flu, so none of them will be able to attend your wedding.

乔希一家都得了流感，所以没有人能参加你的婚礼。

解析：

1、专有名词人的姓名后面加"‘s"表示一家人，谓语动词用复数。

2、be able to 强调通过努力而获得的能力。

I have come down with a bad viral fever. I do not know where I caught it, so I better stay away from school for a few days.

我得了严重的病毒性发烧。我不知道在哪里感染的，所以我最好离开学校几天。

解析：关系副词 when 引导的宾语从句。

When you knew that you have come down with yellow fever, then why did you not make it known?

当你知道你得了黄热病，为什么不告诉别人？

解析：过去分词 known 在句中作宾语补足语，它与宾语 it 是逻辑上的被动关系。

All of a sudden, you could not have come down with a cold. I suspect that you just do not want to attend.

你不可能突然感冒。我怀疑你只是不想参加。

解析：短语 all of a sudden 意为”突然地，出乎意料地“，相当于副词，可以放在句中的任何位置。

How would I know that you have come down with the flu and that is why you did not attend the party?

我怎么知道你得了流感，所以你没有参加聚会？

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