( <美> 亦作goodby)
- used to express good wishes when parting or at the end of a conversation再见！（分别或谈话结束时的问候语）。
(pl. goodbyes; <美> 亦作goodbyes)
- an instance of saying'goodbye'; a parting说“再见”; 分别：
a final goodbye.
最后一次道别。
词源
late 16th cent.: contraction of God be with you!, with good substituted on the pattern of phrases such as good morning.