我姓杨却没有给你想要张扬
[wŏ xìng yáng què méi yŏu jĭ nĭ xiăng yào zhāng yáng]
The person's last name is Yang, but despite that they haven't 'flaunted' something specific about them. This could mean a play on words where someone has expectations of 'showing off' or being more prominent.