不诉离歌离笑挽歌
[bù sù lí gē lí xiào wăn gē]
'不诉离歌离笑挽歌' (literally 'no complaint to parting songs and laughing farewell songs') expresses someone who chooses not to complain about farewells or melancholy songs, but instead embraces the emotions of both sadness and joy during departures.