“流连忘返”用英语可以说成“lingering”。“Lingering”源自拉丁文，意思是“停留”或“逗留”。例句：

He lingered in the room, reluctant to leave. 他在房间里逗留，不愿离开。

The aroma of the meal lingered in the air for hours. 这顿饭的香味在空气中挥之不去，停留了好几个小时。

She lingered in front of the mirror, admiring her reflection. 她在镜子前逗留，欣赏着自己的倒影。