to wage war

• 向...开战

  wage war on

• 向高山开战

  battle against mountains

• 向大自然开战

  battle against nature

• 在边境附近开战

  wage war near the border

• 一年来，全军各部队向碱滩开战，扩大了耕地面积。

  In the past year, troops from across the army have waged war on salty coastlines and increased the area under plough.