1.( 1) The first sentence is full of cicadas. "Gao" refers to a cicada perched on a tall tree, which is a metaphor for its lofty height; Cicada sucks wind and drinks dew on the tall tree, so it is "rare", which coincides with the author's life experience. From "not full" to "sound", there is "hate" in sorrow. But this kind of singing is in vain, because it can't get rid of the plight of being hungry.
(2) borrow things to express your ambition. Poets express their feelings about life by singing cicadas.
(1). It shows the elegance and purity of Bai Lianhua.
(2) The feeling of narcissism and lack of talent.