2. pronunciation: C.
3, explanation: inch grass: grass; Chunhui: the sunshine in spring. The mind of the grass; The kindness of spring is hard to repay. Metaphor children can't repay the kindness of their parents.
4. Source: Jiao's poem "Wandering Son": "But how much love does an inch of long grass have, and I got three chunhui."
5, translation: Who said that a weak and filial person can repay the kindness of such a loving mother as Chunhui Puze?