a live-in son-in-law的用法和样例：
- It is a miserable thing to live in suspense; it is a life of a spider.
- I like to sample a life in the country.
- What did a life in the wild include?
- One was a life in ancient Rome as a slave.
- A life in art began to make real sense.
- My son hopes to graduate in law, so as to become a lawyer.