can-do spirit; readiness to take on challenges
Describes a positive, proactive attitude toward trying new or difficult things. Often used in motivational contexts.
彼のチャレンジ精神が成功につながった。
His can-do spirit led to success.
新しいプロジェクトにはチャレンジ精神が欠かせない。
A can-do attitude is essential for new projects.
Compound of チャレンジ (from English 'challenge') and 精神 (spirit, mind). The exact date of coinage is uncertain, but it reflects a modern borrowing pattern.