鋭気

1. Origins, structure, and basic meaning

• Structure: 鋭気, read えいき, means vigor or energy for tackling something.
• Basic usage: It is used for gathering strength before a match or regaining lost energy.

2. Common pitfalls and similar expressions

• Meaning of 鋭気を養う
  • 鋭気を養う means building up the strength and drive to act.