/ʌnˈtʃɑːtɪd/ adj.1.【地理】(unexplored)+ area, interior未测绘的；尚未勘查的
2.【地理】(not marked on a map)+ island尚未在地图上标注的
3.(unfamiliar)新鲜的；不熟悉的
Carter's fourth album definitely moves into uncharted territory.卡特的第四张专辑明显向新风格迈进。
It is a largely uncharted area of medical science.这几乎是医学上一个全新的领域。
When you become anxious you are entering uncharted waters, uncharted for you at least.感觉焦虑表明你进入的是新领域, 至少对你而言是新领域。
to be in uncharted territory身处未知领域
to find yourself in uncharted territory不觉进入未知领域