"It won't do to say that the reader is too dumb or too lazy to keep pace with the train of thought."
It won't do : a particular person's behavior is unsatisfactory and cannot be allowed to continue.
1. = bewilder / confuse completely 使困惑
you are mystified by something = you find it impossible to explain or understand
2. =derogatory / obfuscate 将……神秘化
With each rewrite I try to make what I have written tighter, stronger and more precise, eliminating every element that's not doing useful work.
Clutter is the disease of American writing. We are a society strangling in unnecessary words, circular constructions, pompous frills and meaningless jargon.
上面两个句子说的是简洁精炼语言和冗长的语言。学习其表达。