Cách sử dụng
The expression "as long as your arm" generally means that something is very long or involves a lot of information or tasks. It can be used in different contexts, such as to describe a list of things to do, a story that someone is telling, or a bill that is very expensive. For example, you could say "The grocery list I have is as long as your arm!" or "The contract he gave me to sign is as long as your arm." It is a way of emphasizing that something is lengthy or difficult to accomplish.