a serious case的用法和样例：
- This business at Coburg Square is a serious case.
- If a person has a serious case of hyperhidrosis, they can take extreme _(6)_.
- But before a serious case of salary envy propels you into your boss's office to demand more money, stay calm.
- A serious case of arachnophobia is much different than someone who just doesn't like spiders.
- To make things worse,she came down with a serious case of respiratory problem for which she had no medical insurance coverage.