Cách sử dụng
The word 'keen' is used to describe someone who is enthusiastic or eager about something. It can also mean having a strong interest or desire in something. For example, if you are keen on learning English, it means you are very interested in it and want to learn more. You can also say that someone is a keen reader, which means they love to read books. The word 'keen' can be used in various situations, such as job interviews, sports events, or social gatherings, to express enthusiasm or interest.