2 sentences for 黄 (huáng — fall through)

1. 这桩生意最后谈黄了。

   zhèi zhuāng shēng​yi zuì​hòu tán huáng le.

   The business deal eventually fell through.

   Source: Dong Chinese Dictionary

2. 她还是个黄花大闺女，听到这种玩笑脸都红了。

   tā hái​shi gè huáng huā dà guī​nü, tīng​dào zhè zhǒng wán xiào liǎn dōu hóng le.

   She is still an innocent young woman, and her face turned red upon hearing such a joke.

   Source: Dong Chinese Dictionary