他在默默无闻的工作中度过了大半生。

He spent most of his life working in obscurity.

《牛津词典》

男低音也许是在多年的劳累和默默无闻的劳动之后，才在那里绝迹的。

Bass may have perished there after years of wearisome and unknown labour.

youdao

当瓦茨调查这幅“有史以来最伟大的画作”的历史时，他发现在大部分时间里，《蒙娜丽莎》都处于相对默默无闻的状态。

When Watts looked into the history of "the greatest painting of all time", he discovered that, for most of its life, the "Mona Lisa" remained in relative obscurity.

youdao

There must have been some guys like that but you just don't hear about those fellows.

也许有这样的人,但他们是默默无闻的士兵甲

耶鲁公开课 - 古希腊历史简介课程节选