2 sentences

1. 这次的通过率是三分之二弱。

   zhèi cì de tōng​guò​lǜ shì sān​fēn​zhī'èr ruò.

   The passing rate this time is slightly less than two-thirds.

   Source: Dong Chinese Dictionary

2. 会议通过需要三分之二以上的投票。

   huì​yì tōng​guò xū​yào sān​fēn​zhī'èr yǐ​shàng de tóu​piào.

   A two-thirds majority vote is required to pass the motion.

   Source: Dong Chinese Dictionary