Some human hunters prey on animals of all ages, but gray wolves concentrateon young y animals.

He saw that they sought to prey upon his riches and his youth.

他知道他们在千方百计地诈取他的财富,损害他的青春.

Let that be Understood by those who practice terrorism and prey upon their neighbors.

让那些采取恐怖行动和掠夺自己的邻国的人懂得这一点.

He had been unwise and it preyed on his conscience.

他做得不太明智，这一直让他良心不安。

That hateful twenty-seventh still preyed on his mind.

还是没办法,还是得为那个可恨的二十七发愁.

Care has preyed upon him [ his mind ] for weeks.

忧虑已 折磨 了他几个星期.

The oppressed peoples will never allow themselves to be preyed on by imperialism.

被压迫民族决不会听任帝国主义掠夺.

Anger had preyed upon me continually for weeks.

几个星期以来,愤恨使我感到苦恼.

Remorse preyed upon his mind.

悔恨使他内心痛苦.

Care preyed upon her health.

忧虑损害了她的健康.

The thought that he was responsible for her death preyed on his mind.

他一想到自己对她的死负有责任就感到心如刀割.

The silence preyed on my mind and ate into me.

这样的沉寂折磨着我并侵蚀我的内心.

For a while he let his eyes idly follow the preying bird.

他自己的眼睛随着寻食的鸟毫无目的地看了一会儿.

Next week's test has been preying on my mind.

下周的测验一直困扰着我.

Now environmental protection is more preying than ever before.

现在,环境保护比以往任何时候都更为紧迫.

They are also preying on penguins and South American fur of the young sea lions.

它们还捕食企鹅和南美毛皮海狮的幼崽.

My mother's illness has been preying on my mind.

我母亲的病一直困扰着我.

This matter has Been preying on my mind all day.

这个问题整天萦绕在我的心头.

His misfortune preys upon his mind.

他的不幸使她心中苦恼.

Worry about her debts preys on her mind.

欠债的事使她忧心忡忡.

It preys mostly on other snakes, even venomous ones.

它主要捕食其它蛇类, 甚至毒蛇.