"excellent," slang from 1897 (often ironical),perhaps from duckie as a term of endearment (early 19c.). Probably not related to much earlier slang noun meaning "a woman's breast" ["...whose pritty duckys I trust shortly to kysse," Henry VIII, c. 1536 letter to Anne Boleyn, who, contrary to rumor, did not have three of them].
1. Everything is just ducky.
2. So, you want me to take this evidence down to Ducky?
3. You and I, ducky, are going to get into a revue.
我讨厌了劈叉.你和我, 亲爱的, 会去演一出小剧目.
4. Ducky. Have you come to play? I hope you are not busy.
突然, 小鸭子发现有新的朋友,于是他喊,“你好,那位”,“你能来玩 么,希望你不忙,请别游走. ”
5. Yes, my rubber ducky keeps me company in the tub.