Cách sử dụng
The expression "be a bag/bundle of nerves" means to feel very anxious or nervous about something. It is often used when someone is worried or stressed out about a situation, such as before an exam or job interview, and they feel like they can't relax. It's like they are carrying around a bag or bundle of nerves inside of them. This expression can be used in a variety of situations, but it always means that someone is feeling very nervous or anxious.