My first four tips fall under the category of don't use repetitive or undescriptive phrases.

我的前四个技巧属于不要使用重复或非描述性短语的类别。

My fourth tip for avoiding repetitive and undescriptive words is to avoid the passive voice in essay writing.

我的第四个避免重复和描述性词语的技巧是避免在论文写作中使用被动语态。

Later the names gradually lost sharpness of outline, and eventually faded into " sundries, " thus becoming entirely--but safely--undescriptive.

后来这些名字逐渐失去了清晰的轮廓，最终变成了“杂物”，因此完全——但安全地——没有描述性。