take leave of   (TTS發音)

say goodbye to告別

    Before he went back home， he took leave of all his friends. 他回家之前向朋友們一一道別。

    It was going to be very difficult，after such a close working partnership， to take our leave of each other. 我們經過一段親密無間的合作以後，一旦要分別，實在是令人難受。