2. "Seeking up and down": For example, in study, it means studying hard, in work or research, it means working hard and studying hard.
3. "Seeking Up and Down" comes from Qu Yuan's long poem Lisao, "The road is long, and Xiu Yuan is Xi, so I will seek up and down". Combined with the context, searching up and down can be understood as trying to find the truth and explore. It can also be understood as a state of mind that is unwilling to give up easily and persevere.
4. It's a long way. I want to go to heaven and earth to find my ideal person. "Xiu Yuan" is not a word and cannot be generalized. The meanings of "cultivation" and "learning" embody the searching spirit of Qu Yuan, a romantic poet in Qing Dynasty. There is still a long way to go before the expression of "far" can achieve this accomplishment.