近体诗讲格律,韵是难点。汉语古音到今已发生很大变化,用两句话可以概括,叫“平分阴阳”和“入派三声”。就是说,古四声是平上去入,不同于今天的阴阳上去四声。古代平声字到后来已分为阴平和阳平,而入声字的读音 Near-style poetry that rhyme is difficult. Chinese ancient novels have undergone great changes so far, with two sentences can be summed up, called “bisect the yin and yang” and “into the school three”. That is to say, the ancient sound of four is entered peacefully, different from today’s yin and yang up four times. The ancient flat-sounding words were later divided into yin-yang and yang-ping, and into the pronunciation of pronunciation