again; once more; re- / second; another / then (after sth, and not until then) / no matter how ... (followed by an adjective or verb, and then (usually) 也[ye3] or 都[dou1] for emphasis)
再
=
一
+
冉
:
Zorro finally received the flute he was waiting for so long in the airplane's bathroom. He is so moved that he cries 再见 again and again and waves the mail snail goodbye with a handkerchief.