Definition (離開)
To depart or say goodbye to someone or something.
告別
After a long journey, he was finally ready to take leave of the city.
經過漫長的旅程，他終於準備好告別這座城市。
She took leave of her colleagues and began her retirement.
她向同事們告別，開始了她的退休生活。
We had to take leave of the beautiful beach before sunset.
我們不得不在日落前離開這美麗的海灘。