phrasal-verb
build upon yourself
根据你已经拥有的东西来提高或发展你的技能、知识或个性
Meaning
to improve or develop your skills, knowledge, or character based on what you already have
Example
You should always try to **build upon yourself** and become a better version of who you were yesterday.
你应该总是努力去提升自己,成为比昨天更好的版本。