1. She lay down uneasily, with much jactation.
她焦虑地躺下来，翻来覆去。
2. His jactation about his accomplishments irritated his colleagues.
他夸夸其谈自己的成就，激怒了同事们。
3. The constant jactation of the stock market made investors increasingly anxious.
股市的翻翻滚滚让投资者越来越焦虑。
4. The man's jactation and erratic behavior alarmed everyone around him.
那个人的疯狂夸夸其谈和不稳定的行为让周围的人都感到惊慌。