1. The rakish actor was known for dating models. 那位风流倜傥的演员爱跟模特儿交往是出了名的。
2. The angular, LED-powered headlights are derived from the CS, while the car's rakish roofline seems as if it were directly pulled from the X6. 角，发光二极管供电头灯来自政务司司长，而汽车的俏皮车顶好像它是直接从这里X6。
3. If the release of these hormones is blocked, prairie-voles' sex becomes a fleeting affair, like that normally enjoyed by their rakish montane cousins. 如果这些荷尔蒙的释放被阻断，草原田鼠的性生活便成了短暂的艳遇，它们就会像生性放荡的山区堂兄那样去尽享受风流韵事。
英英解释
adj.
1. marked by up-to-dateness in dress and manners
2. marked by a carefree unconventionality or disreputableness
