Dreye權威釋義|goodbye

good-bye

int.

n.

告辭；告別[U][C]
I must say good-bye now.
我現在得告辭了。
If you lend him money, you can kiss it good-bye.
如果你借給他錢，你就甭想他還你。

同義:

int.再見，再會

n.再見，再會

以上來源於：《英漢大辭典》

exclam.

used to express good wishes when parting or ending a conversation.

n.

(pl. goodbyes; US also goodbys)

an instance of saying ‘goodbye’; a parting.

C16: contr. of God be with you!

以上來源於：《簡明牛津英語詞典》