Cách sử dụng
The expression "to your knowledge" is used to ask someone what they know about something. It is often used when you want to make sure that the person you are asking has all the information about a topic. For example, if you are asking someone if they know about a particular event, you might ask "To your knowledge, have you heard anything about this event?" This expression is often used in formal settings such as job interviews or legal proceedings.