2 sentences

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

2. 孩子为了买玩具，躺在商场地上撒娇耍赖。

   hái​zi wèi​le mǎi wán​jù, tǎng zài shāng​chǎng dì​shang sā​jiāo shuǎ​lài.

   To get a toy, the child lay on the floor of the mall, throwing a tantrum.

   Source: Dong Chinese Dictionary