2 sentences

1. 抱歉，让你久等了。

   bào​qiàn, ràng nǐ jiǔ​děng le.

   Sorry for keeping you waiting so long.

   Source: Dong Chinese Dictionary

2. 伙计，咱们该出发了，别让大家久等。

   huǒ​ji, zán​men gāi chū​fā le, bié ràng dà​jiā jiǔ​děng.

   Buddy, it's time for us to set off; don't keep everyone waiting.

   Source: Dong Chinese Dictionary