linger
verb [ I ] uk/ˈlɪŋ.ɡər/ us/ˈlɪŋ.ɡɚ/
C2 停留，逗留;徘徊
to take a long time to leave or disappear
After the play had finished, we lingered for a while in the bar hoping to catch sight of the actors. 戏演完后我们在酒吧里等了一会儿，希望能与演员见上一面。
The smell from the fire still lingered days later. 大火过后好几天还能闻到烧焦的味道。
It's impossible to forget such horrific events - they linger (on) in the memory forever. 这样恐怖的事件让人难以忘记——会永远留在人们的记忆中。