Of course, the following is a polished and rewritten version of the original sentence, which enhances emotional depth and character portrayal, making the story more attractive and resonant: --- In Barcelona in the 14th century, the intelligent and tough young man Hugo Llor tried to make a world in the complex world.While chasing his own future, he silently adhered to the oath he made to the Estanyol family - the promise was like a mark in his heart, which was both a driving force for his progress and a burden that he could not take off. --- If you have more background information or wish to use a specific style (such as epic, romanticism, realism, etc.), I can further adjust the polishing direction.