1 sentence

1. 他们两个狼狈为奸，合伙诈骗老人的钱财。

   tā​men liǎng gè láng​bèi​wéi​jiān, hé​huǒ zhà​piàn lǎo​rén de qián​cái.

   The two of them acted in collusion to defraud elderly people of their money.

   Source: Dong Chinese Dictionary