Cách sử dụng
The expression "brass neck/nerve" is used when someone is being very confident or bold, even when they are doing something wrong or inappropriate. For example, if someone is caught lying about something and they continue to deny it with a lot of confidence, you might say they have a "brass neck/nerve" to keep lying even though they've been caught. This expression can be used in a variety of situations to describe someone who is acting without shame or embarrassment. It is usually used in a negative way to criticize someone's behavior.