If you describe someone as unworldly, you mean that they have not experienced many things in their life and do not know what sort of things usually happen to other people during their lives.
例句
She was so young, so unworldly...她太年轻，太不懂人情世故。He is a little unworldly about such matters.他在这些事情上不太老练。
ADJ-GRADED
淡泊的；恬淡的
If you describe someone as unworldly, you mean that they are not interested in having a lot of money or possessions.
例句
Kitty's family was unworldly, unimpressed by power, or money.基蒂一家清心寡欲，淡泊金钱与权力。
英英词典释义
Adjective
1. not concerned with the temporal world or swayed by mundane considerations;
"was unworldly and did not greatly miss worldly rewards"- Sheldon Cheney
2. not wise in the ways of the world;
"either too unsophisticated or too honest to promise more than he could deliver""this helplessly unworldly woman"- Kate O'Brien