This long-time policy gave senators firm control over local federal jobs.

VOA: special.2010.04.22

You have left the Presbyterians and the Independents, and at this point the Presbyterians are in firm control.

剩下的是长老派成员和无党派人士，这时候，长老派成员获得了完全的控制权。

耶鲁公开课 - 弥尔顿课程节选

Their bombs did not explode. Analyst Jonathan Wood with the security firm Control Risks in London, says public transport systems are an attractive target.

VOA: standard.2010.04.01

Republicans stood united in opposition to the legislation, claiming it would increase the national debt, and put the government in firm control of the health care system.

VOA: standard.2010.03.22

Daryll Kimball,the Executive Director of the Arms Control Association, a private research firm, says President Obama is more skeptical about the missile-defense system.

VOA: standard.2009.07.15

As a result of Russia's victory, Moscow now has firm economic and political control over South Ossetia and over another Georgian separatist region,Abkhazia.

VOA: standard.2009.09.01