I'm not really familiar with the golden mean.

我不太熟悉中庸之道。

They were famous for their golden mean and were called good-for-nothing.

他们以中庸之道出名并被称为无用的人。

Throughout history, gold has been a sign of purity, beauty and power. Calling something " golden" means it has great quality and value.

纵观历史，黄金一直被视为纯洁、美丽和权力的象征。称某物像黄金是说它具有很高的质量和价值。

Philosophers have their own golden idea. The " golden mean" says moderation in all things is the best way to live one's life.

哲学家都有自己的金点子（golden idea），中庸之道（ golden mean）称，在所有事物中，中庸是生活的最好方法。

Before the golden mean was found, however, Meg added to her domestic possessions what young couples seldom get on long without, a family jar.

在找到一个折衷的办法之前，梅格为她的家庭又增添了一项年轻夫妇迟早不可少的东西——一只家用泔脚坯。

Nathan says his relationship with his girlfriend isn't yet golden, meaning perhaps he doesn't want to spend that much money on her yet.

内森说他和女友的关系还不是黄金，这意味着他可能还不想在她身上花那么多钱。

The expression " silence is golden" means that it is good to be quiet, or it is good to be in a place without noise.

“沉默是金” 这句话的意思是安静是好的，或者是在一个没有噪音的地方是好的。