Cách sử dụng
The expression "be a good/bad timekeeper" refers to a person's ability to arrive at appointments and meetings on time. If someone is a good timekeeper, they are punctual and arrive on time, which is good. If someone is a bad timekeeper, they are often late, which is bad. This expression can be used in both formal and informal situations, such as when discussing someone's work habits with a colleague or commenting on a friend's reliability.