jactancy

例句：

1. 1. The book was jactantly forgotten in the drawer.
   这本书被遗忘在抽屉里。
2. 2.The artist's work is often jactantly displayed in galleries.
   艺术家的作品经常在画廊中临时展出。
3. 3. The company's stock price has been jactantly fluctuating since the announcement.
   自从宣布以来，该公司的股票价格一直在波动。