The second sentence: refers to the painting represented by plum blossom. In general, fill in the blank with poems to convey feelings and praise things. Lyric by borrowing things.
The third sentence means that if you are arrogant, you will expose your shortcomings, thus exposing your ignorance.
The fourth sentence: linking the first three sentences, in this case, it is not as meaningful as painting, and sometimes the meaning expressed by poetry is not as profound as painting. Chinese painting gives people a broader impression.
I don't know, right? If it is correct, should I get extra points? Ha ha.