He has never lived up to his father's expectations of him. His father wants him to found a company and become rich. Instead, he wants to preach to people about high moral standards and how to become a better person.
live up to somethinglive up to something 是達到某個目標或期許的貼切的說法。
Student protesters against the Cross-Strait Service Trade Agreement have occupied Taiwan's legislature and are stagin a sit-in.