Definition of keep good or bad time in English:
1(Of a clock or watch) record time accurately (or inaccurately).
- It was a matter of pride to possess a clock that kept good time and people went to great lengths to secure it.
- So it was a privilege for me to be get up close to see the ingenious workings of Harrison's magnificent clock, still keeping good time, nearly 300 years after it was made.
- Officials from the town hall were called in to investigate and promised that the clock would be keeping good time again as soon as possible.
2(Of a person) be habitually punctual (or not punctual).
- Shallow water is the best place to find and catch barble and they normally move into these areas at about 10am although they do not keep time well.
- In law firms this is of particular importance as firms are looking for people who are able to keep time well as their whole income depends upon it.