伤过疼过大爷我何曾退过
[shāng guò téng guò dà yé wŏ hé céng tuì guò]
It translates to 'Even though I've been hurt and in pain, have I ever stepped back?' It signifies resilience and stubbornness in the face of challenges and heartache, showing an unwillingness to give up or back down despite past experiences.