1. 不練達的；不諳世故的；不老練的 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.
e.g. She was so young, so unworldly... 她太年輕，太不懂人情世故。 e.g. He is a little unworldly about such matters. 他在這些事情上不太老練。
2. 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.
e.g. Kitty's family was unworldly, unimpressed by power, or money. 基蒂一家清心寡欲，淡泊金錢(qián)與權力。