Suìyuè wúqíng, dāngnián de qīngsī rújīn yǐ chéng le báifà.
Time is merciless: the black hair of years gone by has now turned white.
Tips
culture
Poetry sets 青丝 against 白发 (white hair) to show time passing. The best-known case is 李白's 《将进酒》, on hair seen in a mirror: 朝如青丝暮成雪 (black silk at dawn, snow by dusk). 青 means black here.
