jumped-up
/ˈdʒʌmptʌp/adjective
- informal denoting someone who considers themselves to be more important than they really are, or who has suddenly and undeservedly risen in status〈非正式〉自负的, 自大的; 突然发迹的：
she's not really a journalist, more a jumped-up PR woman.
实际上她不能算是什么记者, 不过是个突然发迹的公关女人罢了。