How to write 湍

湍 [tuān] 1. 急流，急流的水。 Rushing waters. 湍 [tuān] 1. 急流，急流的水。 Rushing waters: 如: 湍急 (rapid flow), 湍流 (rushing current), 湍濑 (rushing waters over rocky beds). 湍 [tuān] 〈形〉 本义: 水势急速 Original Meaning: Water flows rapidly. 造字法: 形声。从水，耑(zhuān)声。 Character Formation: Phonetic compound; composed of water radical and the phonetic part "zhuān". 引 1. 《说文》：湍，疾濑也。 From "Shuowen Jiezi": Tuan means swift rapids. 2. 《史记·河渠书》：水湍悍 集解: “疾也。” From "Records of the Grand Historian": The water is swift and fierce; interpreted as "swift." 3. 《楚辞·抽思》：长濑湍流。 From "Chuci": The long rapids flow. 4. 《淮南子·说山》：稻生于水，而不能生于湍濑之流。注“急水也。” From "Huainanzi": Rice grows in water but cannot thrive in swift currents; noted as "swift water." 例 又如: 湍水 (rushing waters); 湍悍 (fierce water flow); 湍急 (swift water flow); 湍泷 (describing fast-flowing water); 湍涛 (turbulent waters); 湍瀑 (fast splashing water). 湍 [tuān] 1. 急流的水 Rushing waters. 引 1. 吴均《与朱元思书》：急湍甚箭。 From Wu Jun's "Letter to Zhu Yuansi": The rapid current is as fast as an arrow. 例 又如: 急湍 (rapid current); 湍洑 (whirlpool formed by rushing waters); 湍渚 (small islands in a rapid current); 湍鸣 (sound of rushing water); 湍驶 (swiftly flowing water); 湍激 (ferocious water flow); 湍波 (waters of a rapid). 湍 [tuān] 〈动〉 冲刷; 冲击 Scour; impact. 引 1. 《史记》：道果便近，而水湍石，不可漕。 From "Records of the Grand Historian": The water scours the stones, and hence, navigation is impossible.