plough under

• • 把(杂草或作物)犁入土中(作肥料)：

    When the forest was cleared,a lot of small branches were ploughed under.

    在砍伐森林时，人们用铧把许多小树枝翻入土中。

  • [口语]消灭；使消失；抹杀；埋没：

    In old society many talented young people were too often ploughed under.

    在旧社会许多有才干的青年常被埋没。