Cách sử dụng
"Keep somebody waiting" means to make someone wait for a long time or to not arrive on time for something that they were expecting. This expression can be used in many situations, such as waiting for a friend who is late for a meeting or appointment, waiting for a doctor who is running behind schedule, or waiting for someone to reply to a message or email. It is considered impolite to keep someone waiting, as it can cause frustration and inconvenience.