“流连忘返”，汉语成语，意思是玩乐时留恋不愿离开，忘记了返回。常形容对美好景致或事物的留恋。可以翻译为“enjoy oneself so much as to forget to go home或linger on with no intent to leave”。

例句：

那里风景如画，令游客流连忘返。

The picturesque view is a great attraction to visitors who tend to linger on there.