subtlety
- n. 微妙；敏锐；精明
英英释意
- 1. a subtle difference in meaning or opinion or attitude;
- "without understanding the finer nuances you can't enjoy the humor"
- "don't argue about shades of meaning"
- 2. the quality of being difficult to detect or analyze;
- "you had to admire the subtlety of the distinctions he drew"