a slipshod piece of work的用法和样例：
- 1.to do a slipshod piece of work with damaging result; to do slovenly work; to be irresponsible; 2.to fail to keep a promise or an appointment
- It was a terrible piece of work you turned in the other day.
- It's a good piece of work, apart from a few slight faults.
- It's quite a piece of work to make her do it.
- A hard piece of work exacts patience.