Literature Reference: 忧愤气不散，结化为精灵。——《和荅诗十首 和思归乐》 Worry and anger unresolved, condensed into spirits. Source from 'He Da Shi Shi Shou He Si Gui Le'.
忧: Anxiety; apprehension.
疑: Doubt. Question. Suspicion.
Meaning: Worry and doubt refer to the deep-seated anxieties and uncertainties, often describing the complex emotions of a person in distress.