vi.
徘徊；继续逗留；留恋；流连；闲荡：
The girl lingered by the lake until it was dark.
女孩在湖畔一直徘徊到天黑。
历久犹存；缓慢消失：
The beautiful music is still lingering in my ears.
美妙的音乐依然在我耳际萦绕。
苟延残喘：
He lingered several days after the car accident.
他在车祸后拖了几天才死去。
沉思；沉湎于
延误；拖延；迟缓；磨蹭
漫步；闲逛