執念

1. Origins, structure, and basic meaning

• Structure: 執念 is read as しゅうねん and means tenacity or an unwavering determination.
• Basic usage: It can sustain an investigation into the truth or drive an athlete to produce a comeback.

2. Common pitfalls and similar expressions

• Sustaining an investigation
  • 執念 is the determination to uncover the truth that keeps the investigation going. Example: 彼は真相を突き止めるという執念で調査を続けた。
• Producing a comeback
  • 執念 means an athlete's tenacity in refusing to give up until the end. Example: 最後まで諦めない選手の執念が逆転を生んだ。