Here was corruption on a grand scale.

这里的腐败现象曾十分严重。

《牛津词典》

Officials often call this kind of grand jury together in cases of organized crime or suspected corruption by public officials.

VOA: special.2009.08.31

The federal investigators appear to be interested in Mr Rowland's cottage because among those who paid for the work are several key figures in a widening federal grand-jury investigation of corruption in the state's capital, Hartford.

ECONOMIST: But corruption in this state can be a bipartisan business

Mr Suharto's critics have accused him of everything from corruption and nepotism on a grand scale to responsibility for brutalities, murder and worse.

ECONOMIST: Indonesia