prey on (或 upon)

• • (猛兽或鸟)捕食(另一兽或鸟)：

    The lions in this area prey on deer and other wild animals.

    这个地方的狮子捕食鹿和其他野生动物。

  • 掠夺；剥削；抢劫：

    confidence men who preyed upon the construction workers

    剥削建筑工人的骗子

  • 使痛苦；使烦恼；折磨，损害：

    Ill health had preyed on him for years.

    疾病曾折磨他多年。

  • 骗取，诈骗：

    He always preys on old women.

    他经常诈骗老太太。

  • 使受害：

    pirates preyed upon the coast shipping.

    海盗使沿海航运不得安宁。