3 sentences

1. 我们齐心协力，终于渡过了难关。

   wǒ​men qí​xīn​xié​lì, zhōng​yú dù​guò le nán​guān.

   We worked together and finally overcame the difficulty.

   Source: Dong Chinese Dictionary

2. 只要我们齐心协力，就能跨过这个难关。

   zhǐ​yào wǒ​men qí​xīn​xié​lì, jiù néng kuà​guò zhè​gè nán​guān.

   As long as we work together, we can overcome this difficulty.

   Source: Dong Chinese Dictionary

3. 只要大家齐心协力，就一定能度过眼前的难关。

   zhǐ​yào dà​jiā qí​xīn​xié​lì, jiù yī​dìng néng dù​guò yǎn​qián de nán​guān.

   As long as everyone works together, we will surely overcome the current difficulty.

   Source: Dong Chinese Dictionary