2 sentences

1. 投我以木李，报之以琼玖。

   tóu wǒ yǐ mù​lǐ, bào zhī yǐ qióng jiǔ.

   'You threw me a plum, and I repaid you with a beautiful jade.'

   Source: Dong Chinese Dictionary

2. 在填写支票时，数字九必须写成大写的“玖”。

   zài tián​xiě zhī​piào shí, shù​zì jiǔ bì​xū xiě​chéng dà​xiě de“ jiǔ”.

   When filling out a check, the number nine must be written in the formal capital form '玖'.

   Source: Dong Chinese Dictionary