How to write 锢

锢 gù 1. 把金属熔化以浇灌堵塞空隙。 [En.] Fill up cracks with molten metal. - 锢露（用熔化的金属堵塞金属物品的漏洞，如“～～锅”。亦作“锢漏”）。 [En.] Blocking leaks (using molten metal to seal holes in metal objects, e.g., "～～ pot". Also written as "锢漏"). 2. 禁闭。 [En.] Imprison. - 禁～。 [En.] Restrained. - ～蔽。 [En.] Obstructed. 3. 古同“痼”，痼疾。 [En.] Ancient same as “痼”, chronic diseases. 4. 束缚;闭塞。 [En.] Restrain; unenlightened. 5. 垄断，包揽。 [En.] Monopoly. 6. 禁止参加政治活动或出任官职。 [En.] Debar from holding office. 7. 封闭;关闭。 [En.] Block; close. --- 锢 gù 形 | 1. 疾病经久不治的。通“痼”。 [En.] Chronic. - 又如:锢病(经久难治的疾病) [En.] For example: chronic condition (a disease difficult to cure). 2. 通“固”。坚固。 [En.] Solid; firm. - 如:锢定(牢固确定) [En.] For example: firmly determined. 3. 通“固”。顽固。 [En.] Stubborn. - 如:锢陋(难于更改的陋规);锢见(成见) [En.] For example: stubborn customs; fixed ideas. --- 引 | 1. 《说文》：锢，铸塞也。 [En.] "Dictionary of Chinese Characters": "锢" means to cast and seal. 2. 《急就篇》：釭锏键钻冶锢鐈。 [En.] "Urgent Stanzas": mentions various tools in relation to 切锢. 3. 《汉书·贾山传》：冶铜锢其内。 [En.] "Book of Han": mentions sealing copper within. 例 | - 又如:锢南山(用铜铁熔液堵塞的南山。比喻胸中郁结不消的块垒) [En.] For example: sealing Nan Mountain (using molten copper and iron to seal Nan Mountain. A metaphor for unresolved grievances).