as sick as a dog

• 病得很厉害

as sick as a dog的用法和样例：

例句

1. Ever since I came here, I have ben sick as a dog.
   自从我来到这里，就一直病得很厉害。
2. He is very sick, and his life hangs by a thread.
   他病得很厉害，他的生命危在旦夕。

词汇搭配

• sick as a dog 病得厉害