He felt impelled to investigate further.

他觉得有必要作进一步调查。

《牛津词典》

The FBI has been called in to investigate.

联邦调查局奉命进行调查。

《牛津词典》

The police decided to investigate further.

警方决定作进一步调查。

《牛津词典》

The researchers used a national long-term survey of adolescent health to investigate the relationship between media use and depression.

VOA: special.2009.02.11

Let's hear first, now we need to begin to investigate the reasons why you think it's the right thing to do.

我们先来听听大家的说法，探究一下为何,你们会认为这是正确的选择。

耶鲁公开课 - 公正课程节选

It's all very mysterious and we send off a spaceship to investigate the markings, the radio signals from the other place.

一切都很神秘,所以我们,派遣一艘飞船去调查星球上的印记,以及那些从其他星球传来的无线电信号

耶鲁公开课 - 死亡课程节选

Unarmed police then arrived to investigate the workers' earlier reports and were attacked, said Ms Hou.

BBC: China's Xinjiang hit by deadly clashes

Child welfare officers and police have now been ordered to investigate the teenager's claims.

BBC: Radio show axed over rape furore

State health departments, the Food and Drug Administration and the CDC continue to investigate.

CNN: Frozen fruit mix suspected in hepatitis A outbreak