uncharted，英语单词，主要用作为形容词，作形容词时译为“未知的；图上未标明的”。

根据《柯林斯英汉双解大词典 》：

ADJ If you describe a situation, experience, or activity as uncharted territory or waters, you mean that it is new or unfamiliar. (情形、经历、活动)不为人熟悉的; (地域、水域)未被探索的 [usu ADJ n]

The ship hit an uncharted rock.

船撞在海图上未标示的岩石上。

This type of work is uncharted territory for us.

我们从未涉足过这类工作。

They set off into the country's uncharted interior.

他们出发前往这个国家人迹罕至的内陆。