talented · outstanding

1. Origins, structure, and basic meaning

• Structure: 俊 denotes outstanding talent or ability; its on-reading is しゅん.
• Basic usage: 俊才(しゅんさい) is a talented person, while 俊敏(しゅんびん) describes agile movement or quick responses.

2. Common pitfalls and similar expressions

• A person and a quality
  • 俊才が集まる describes talented people gathering; 俊敏な動き describes the agility of a movement.
  • In 俊敏に対応する, に marks the manner of responding.