“畅快的”的英语可以翻译为：carefree，lightsome ...

以这时髦的 圆珠笔 畅快的书写吧!It's fashionable to fun at the ball - point pen to write it!法国人粉快乐的在酒池中游泳并畅快的喝著.The Frenchman was so happy swimming and drinking from the pool.萨姆露出疲倦的、不那么畅快的笑容.Sam a tired half smile....