What kind of characters are created by Ruan Ji in the eighty-two poems of Ode to Huai (I), and what expressive techniques and emotions are used in Zhuan Xu's necklace?

It creates an unruly but frustrated aspiring person who is on the verge of depression and sadness.

Zhuan Xu used the expressive technique of scene blending and dynamic and static combination to express the poet's peaceful and far-reaching broad-minded state of mind with the breeze and bright moon.

Necklace couplets use allusions and emotional expressions to express the poet's depressed mood.