a bad cold的用法和样例：
- I had to scratch (from the marathon) because of a bad cold.
- She was out all day in the rain and this brought on a bad cold.
- I've a bad cold and I'm full of catarrh.
- I can't taste, I've got a bad cold.
- I have a bad cold and I am full of catarrh.
a bad cold的相关资料：