obscurity

In recent years, the tradition has emerged from obscurity.最近几年，这种传统重新走进了人们的视野。

He has been living in relative obscurity in a small town in the mountains.他一直默默无闻地生活在群山里的一个小镇上。

After a promising first novel, she faded/sank into obscurity.在出版了第一部很被看好的小说后，她就淡出了人们的记忆。

The essay is full of obscurities.这篇文章晦涩难懂。

A good writer avoids obscurity of language. [=does not use words people are not likely to understand]好的作家总会避免使用晦涩的语言。