1 sentence for 旧约 (jiù​yuē — former agreement)

1. 既然新协议已经签署，旧约就此失效。

   jì​rán xīn xié​yì yǐ​jīng qiān​shǔ, jiù​yuē jiù​cǐ shī​xiào.

   Since the new agreement has been signed, the old treaty is now void.

   Source: Dong Chinese Dictionary