《水经注·卷二十八》
但当地蛮族在北面堵了这条水，在南面又截断维川，引水来灌溉田亩。下流注入河水。
然候水诸蛮，北遏是水，南壅维川，以周田溉，下流入沔。
However, the local barbarians blocked the water in the north and cut off Weichuan in the south, diverting water to irrigate the fields. The downstream flows into the river water.
<s>[INST] Rewrite the following English passage in the style of Classical Chinese: However, the local barbarians blocked the water in the north and cut off Weichuan in the south, diverting water to irrigate the fields. The downstream flows into the river water. [/INST] 然候水诸蛮，北遏是水，南壅维川，以周田溉，下流入沔。</s>
Rewrite the following English passage in the style of Classical Chinese: However, the local barbarians blocked the water in the north and cut off Weichuan in the south, diverting water to irrigate the fields. The downstream flows into the river water.
user
然候水诸蛮，北遏是水，南壅维川，以周田溉，下流入沔。
assistant