- 赶鸭子上架 gǎnyāzishàngjià forceto push someone to do something way beyond their ability or for which they are unprepared
- 旱鸭子 hànyāzi non-swimmer
- 煮熟的鸭子飞了 zhǔshúdeyāzifēile let slipto let a sure thing slip through one's fingers; to lose an opportunity or prize that was considered a certainty (literally: the cooked duck flew away)
- 鸭子儿 yāzǐr duck egg(coll.) duck's egg