(1) This poem entrusts Xiaogushan to express his ambition, expressing that even though the poet is a lonely minister and is in the last days, he must be brave and perseverant, kill the enemy and serve the country, as well as his own ability to turn the tide and Firm belief in achieving victory against the Yuan Dynasty.
(2) ①The word "Gu" in Xiaogushan corresponds literally to the word "Gu" in Guchen, and the association is natural.
②The geographical characteristics of Xiaogushan Zhongliu correspond to the poet's mainstay Zhongliu's aspirational feelings, and he expresses his aspirations based on objects.
③The occasional solitary mountains that remain correspond to the situation of the only remaining solitary giants in the Song Dynasty, implying that there was a serious shortage of anti-Yuan generals in the late Song Dynasty, which is an apt metaphor.
(As long as the meaning is correct)