Cách sử dụng
The expression "be/go up the spout" means that something has gone wrong or failed. It is often used when talking about a plan or project that hasn't worked out as expected. For example, if someone's business has failed, they might say "it's all gone up the spout". The term "spout" refers to a pipe or tube, and the expression suggests that something has been lost or flowed away, like water down a drain.