How to write 悉

悉 [xī] 1. Know. 知道。 Example: 洞悉 (to know very clearly). 尽悉 (to know completely). 获悉 (to learn). 来函敬悉 (to acknowledge receipt of the letter). 2. Exhaustive, complete. 尽，全。 Example: 竭尽全力 (to give one's all). 尽心 (to be fully devoted). 尽数 (to list completely, such as “not all of them”). 形 (form): Detailed; the meaning comes from the combination of heart and discernment. It indicates careful consideration and thoroughness. 副 (adverb): All; entirely. Examples: - 悉如外人 (as if one were an outsider). - 悉以咨之 (to consult about everything). 动 (verb): 1. To elaborate, to expound. 详尽地叙述 ([En.] elaborate; expound) Example: 书不能悉意 (books cannot fully express intentions). 2. To know thoroughly, to learn. 详尽的知道，了解 ([En.] know; learn) Example: 晴悉 (to be fully aware). 3. To use up, to try one's best. 尽其所有 ([En.] use up; try one’s best) Example: 以公之与民已悉矣 (to exert all efforts). 引 (reference): 1. 《说文》: 悉，详尽也 (to be detailed). 2. 《尔雅》: 悉，尽也 (to be complete). 3. 《史记·平准书》: 占不悉 (the account is not complete). 4. 《汉书·张释之传》: 时上所问禽兽簿甚悉 (the records of animals were very thorough). 5. 汉·贾谊《论积贮疏》: 至孅至悉 (exhaustively and thoroughly). 6. 唐·李朝威《柳毅传》: 词不悉心 (the words do not fully express one's heart). 例 (example): - 纤悉 (detailed; thorough). - 详悉 (detailed and comprehensive). - 悉数 (to enumerate one by one). The character "悉" encompasses meanings of thorough understanding, completeness, and the act of exhausting or giving one’s all.