3 sentences

1. 官府征调了大批夫去修建河堤。

   guān​fǔ zhēng​diào le dà pī fū qù xiū​jiàn hé​dī.

   The government conscripted a large number of laborers to build the river embankment.

   Source: Dong Chinese Dictionary

2. 洪水冲力太大，这段河堤终于溃了。

   hóng​shuǐ chōng​lì tài dà, zhè duàn hé​dī zhōng​yú kuì le.

   The force of the flood was too great, and this section of the riverbank finally burst.

   Source: Dong Chinese Dictionary

3. 由于雨量过大，河堤最终被大水冲决了。

   yóu​yú yǔ​liàng guò dà, hé​dī zuì​zhōng bèi dà​shuǐ chōng jué le.

   The river embankment was eventually breached by the flood due to excessive rain.

   Source: Dong Chinese Dictionary