Lie on a bed的用法和样例：
- Everyone in the company is supposed to work hard, not to lie on a bed of roses.
- Dongmou and son lying on a bed indoor wimple, his wife sitting on the floor.
- The machine rests on a bed of concrete.
- The statue rests on a bed of concrete.
- It is more comfortable to lie on a lawn than (to) sit in the office.
- For the last few months, he has been on a bed of thorns.