We are making a thorough investigation.

我们正在进行彻底的调查。

《柯林斯英汉双解大词典》

The police carried out a thorough investigation.

警方展开了全面的调查。

《牛津词典》

This is a disgraceful state of affairs and cries out for a thorough investigation.

这是一件不光彩的事情，急需进行彻底的调查。

《柯林斯英汉双解大词典》

The White House has promised a thorough investigation of the matter, and steps to guard against a repeat of the tragedy.

VOA: standard.2009.11.10

At a news briefing, State Department Spokesman Ian Kelly said the United States has been urging Sri Lankan authorities to open up the northern region to international organizations, and to conduct a thorough investigation of the charges.

VOA: standard.2009.10.22

The Chancellor is also calling for a quick and thorough investigation of last week's NATO air strike on two fuel tankers, which had been hijacked by insurgents in Afghanistan's Kunduz province.

VOA: standard.2009.09.07

"We want a thorough investigation of everything that transpired, " Mr Aquino told a news conference.

BBC: Philippines president pledges Manila bus siege inquiry

The FBI conducted a thorough investigation and found "no ties to terrorism, " Mueller said.

CNN: Suspect: Boston bombing was payback for hits on Muslims

President Dmitry Medvedev ordered a thorough investigation to solve the crime, but few Russians expect much.

ECONOMIST: Terrorism in Russia