2 sentences

1. 掌声久久不息。

   zhǎng​shēng jiǔ​jiǔ bù​xī.

   The applause continued for a long time.

   Source: Dong Chinese Dictionary

2. 黄河之水奔腾不息，气势极其磅礴。

   Huáng Hé zhī shuǐ bēn​téng bù​xī, qì​shì jí​qí páng​bó.

   The waters of the Yellow River roll on incessantly with immense momentum.

   Source: Dong Chinese Dictionary