1 sentence

1. 咱们有言在先，如果你输了，不能耍赖。

   zán​men yǒu​yán​zài​xiān, rú​guǒ nǐ shū le, bù néng shuǎ​lài.

   Let's agree beforehand: if you lose, you can't back out.

   Source: Dong Chinese Dictionary