How to write 惋

惋 [wǎn] 1. To sigh in regret; to express sorrow. 叹惜，憾恨：惋惜。惋伤。惋叹。悲惋。哀惋。 2. In traditional Chinese medicine terminology, refers to interior heat. 中医学术语。内热 (interior heat). 3. (as a verb) It conveys a sense of resentment or sighing in lamentation, sharing the same meaning. (English: sigh) (形声。从心，宛声。本义:怨恨，叹惜) 同本义 (English: sigh). 引用： 1. From Cao Cao's "Shanzai Xing": Those who guard their poverty will weep as if it rains in their sorrow. 2. From Tao Yuanming's "Tao Hua Yuan Ji": Everyone sighed in lament. 4. In traditional Chinese medicine terminology (as a noun), it refers again to interior heat. 中医学术语。内热 (interior heat). 引用： 1. From "Su Wen": Those who have sorrowful aspirations will sigh; if they sigh, it will disperse the yin. 5. To feel deep regret or amazement. 痛惜、惊叹。 Example: "惋惜". From "Zhan Guo Ce, Qin Ce Er": If deceived by Zhang Yi, the king will surely lament. From "Wen Xuan, Lu Ji, Wen Fu": Therefore, while feeling the emptiness and reflecting upon it, I lament; I have yet to know the reasons for opening and closing.