Cách sử dụng
The expression "at your command" means that something or someone is ready to do what you have asked them to do. It is often used to show respect or to say that you are willing to do something for someone. For example, if you ask a waiter for a glass of water, they might say "at your command" to show that they are ready to serve you. This expression can also be used in formal situations or when talking to someone you want to show respect to.