Definition
When a threat or uncertainty looms over a place or situation, it persists.
笼罩；萦绕
Before the meeting, financial issues hung over the team's morale.
会议之前，财务问题笼罩着团队的士气。
His health condition hung over us, preventing any sense of peace.
他的健康状况萦绕在我们心头，让人无法安心。
The anxiety before the exam suddenly hung over his thoughts.
考试前的焦虑突然笼罩了他的思绪。