陽気

1. Origins, structure, and basic meaning

• Structure: 陽気 (ようき) is a nominal expression for a cheerful temperament or pleasantly warm weather.
• Basic usage: 陽気な性格で場を明るくする modifies a person’s cheerful disposition, while 春らしい陽気に誘われる denotes pleasant weather prompting a walk.

2. Common pitfalls and similar expressions

• Temperament and weather
  • 陽気な性格 is a personal disposition, whereas 春らしい陽気 is a weather condition. The second does not assign a cheerful personality to the park.