Cách sử dụng
"The long arm of something" means that a powerful influence or authority reaches far and can affect things or people in unexpected ways. For example, if you say "the long arm of the law," it means that the police have a lot of power to catch criminals and can go after them even if they try to hide. Another example is "the long arm of technology," which means that technology has a wide-reaching impact on our lives and can change things in ways we may not expect. So, when you use this expression, you are talking about something that has a big influence or reach.