noun[ S or U ]UKinformaldisapprovinguk/ˌbrɑːs ˈnek/us/ˌbræs ˈnek/
厚脸皮
a type of behaviour where someone is extremely confident about their own actions but does not understand that their behaviour is unacceptable to others
She's got a brass neck to ask for a day off when we're so busy.我们这么忙,她还腆着脸要求说要休假一天。