You named your dog punchy?
你给你的狗取名为拳拳？

a bright, punchy style of writing
简洁明快的写作风格

We picked up punchy a couple of days back.
几天前我们选中了拳拳。

A good way to sound confident is to use short punchy sentences.
想要听起来很自信，使用简短有力的句子不失为一个好方法。

Largely it is a bit of froth without substance that pontlessly denigrates the Dalai Lama to deliver a punchy headline.
因此, 他需要和能帮助他吸引全世界注意力的人保持联系。