unworldly

The young scholar was quite unworldly, often forgetting to eat or pay his bills while he studied ancient texts.

(Chinese) 这位年轻学者相当不谙世故，研究古籍时经常忘了吃饭或付账单。

She had an unworldly innocence that made her believe everyone she met was telling the absolute truth.

(Chinese) 她有一种超凡脱俗的单纯，这使她相信遇到的每个人说的都是绝对的真话。