1, every grass and tree is full of spring: it means that parents are deeply grateful for their children's upbringing, and it is difficult to repay their children's efforts.

2. Righteousness: Parents teach their children the right way.

3. There is no point in living: encourage people to study in Germany so as not to humiliate their parents.

4. Birth, old age, illness and death: refers to filial piety to parents.

5, colorful entertainment pro: wearing colorful clothes to amuse parents is a metaphor for filial piety.

6. Kindness and kindness: metaphor for children to repay their parents.