1. John smiled at them and gave Richard a playful poke. 约翰冲他们笑了笑，还顽皮地捅了理查德一下。
2. Playful math to numbers is what poetry to words, what music to sounds, or what art is to visual perception. 好玩的数学对于数字，就像诗对于文字，音乐对于声音，或者是美术作品对于视觉感知。
3. He was also playful — those blue eyes may have been jet-lagged, but they still managed to twinkle and exceedingly polite. 他还是很好玩的——虽然也许由于飞机时差的缘故，那双蓝眼睛没那么有神彩，但依然闪亮且非常彬彬有礼。
4. The blonde carefully considered the entire flock and finally picked one that was by far cuter and more playful than the others. 金发女郎仔细地考虑了整个鸟群，最后挑了一只比其他的更可爱、更顽皮的鸟。
5. The father of four posted video clip of his playful venture on Facebook, advising parents to do fun and creative stuff with their kids. 这位有四个孩子的父亲在 Facebook 上发布了一段好玩的冒险视频，建议父母们和孩子们一起做一些有趣而有创意的事情。
