It means that the silver grate on the tin head is often broken and smashed when playing the rhythm; the red skirt is stained by wine stains and does not regret it. Source: The original sentence of "Pipa Line": The silver grate on the tin head shattered the knot, and the bloody skirt was stained by wine. "Pipa Line" is one of the long Yuefu poems by Bai Juyi, a poet of the Tang Dynasty. It was written in the eleventh year of Yuanhe (816). By describing the pipa girl's superb playing skills and her unfortunate experiences, this poem exposes unreasonable phenomena such as bureaucratic corruption, poor people's livelihood, and buried talents in feudal society. It expresses the poet's deep sympathy for her, and also expresses the poet's innocence towards himself. Resentment at being demoted. Creation background: In June of the tenth year of Yuanhe (815), the vassal forces of the Tang Dynasty sent assassins to assassinate Prime Minister Wu Yuanheng on the streets of Chang'an, and stabbed Pei Du, the imperial censor. , with the intention of An Fan Town to "reverse". Bai Juyi advocated the strict arrest of the murderer, which was suspected of "exceeding his duties"; moreover, Bai Juyi usually wrote allegorical poems, which offended the powerful officials in the court, so he was demoted to Jiangzhou Sima. Sima was the assistant to the governor. In the mid-Tang Dynasty, most "criminal" officials were specially placed, which was a disguised form of distribution. This incident had a great impact on Bai Juyi and was a turning point in his ideological changes. From then on, his early fighting spirit gradually faded away and his negative emotions increased day by day.
In the autumn of the 11th year of Yuanhe (816 AD), Bai Juyi had been demoted to Jiangzhou Sima for two years. When he was seeing off guests at the head of the Xunyang River, he happened to meet a singer who became famous for her skills in her youth but was abandoned in her old age. She felt depressed. , combined with his own experiences on the road, he used the genre of song to create the famous "Pipa Xing" (original work "Pipa Yin"