How many Chinese characters(漢字　かんじ，汉字）in Japanese in all?日语中到底有多少汉字（日本汉字）？ I kown 1945 Chinese characters Japanese usually use.But I think Chinese characters in Japanese more than it.Anyone can tell me how many Chinese character in Japanese? 我知道日本的“常用汉字”中有1945个汉字。但是我想实际上日语中使用的汉字不止1945，据说江户时代时日语中有超过5万个汉字。谁能告诉我日语中到底有多少个汉字？