Come down with sth: To begin to have or suffer from (an illness); To start to suffer from an illness, especially one that is not serious. To become ill or to be sick with some illness. If you come down with an illness, you get it.
As in I didn’t do much this weekend because I came down with a cold.
中文释义：Come down with sth不 是 拿 着 什 么 东 西 下 楼，而是表示生病、染上…病、患…病，一般指感冒发烧之类的小病症。go down with sth也是可以的。例句：I came down with the flu. (我得了流感。) 生病还有另外几个表达方式：got/caught/have a cold/flu; don’t feel well; under the weather; be out of sorts; off-color.