Louis Armstrong defined jazz pithily as "what I play for a living."

路易斯•阿姆斯特朗把爵士乐简单定义为“我为了谋生而玩的东西。”

The essay was pithily written.

文章写得很简洁。

Louis Armstrong defined jazz pithily as "what I play for a living".

路易斯·阿姆斯特朗把爵士乐简明扼要地定义为“我一门糊口的手艺”。

Mr Zehnder puts it slightly more pithily: "If you work here, you bust your ass all week."

兹恩德则表达得略为简洁：“在这儿工作，你一周都在拼命干活。”

Oxymoron is a rhetoric device that, by force of the surface contradiction of language forms, can express the ideas not only clearly and exactly but also more pithily, deeply and strongly.

矛盾的表达是借语言表层形式的矛盾，清晰明确而又更加简练、深刻、有力地表达思想感情的一种修辞。