agile

1. Origins, structure, and basic meaning

• Structure: 敏 has 10 strokes and the on-reading びん. 敏感 (びんかん) describes sensitivity; 俊敏 (しゅんびん) describes agile movement or quick responses.
• Basic usage: 敏感 focuses on sensing small changes or differences; 俊敏 focuses on moving or responding quickly.

2. Common pitfalls and similar expressions

• Sensitivity and agility
  • 気温の変化に敏感だ means being sensitive to temperature changes. 敏感に感じ取った occurs in a context about keenly noticing subtle differences in wording.
  • 俊敏な動き modifies a noun to mean agile movement. 俊敏に対応し describes the manner of responding quickly.