President Obama said the U.S.government must be able to act decisively when information surfaces about a potential threat.

VOA: standard.2009.11.16

They did it again, even more decisively in World War Two, and that's how we got progressive taxes.

而二次世界大战时，他们毫不犹豫的，再次提高了对富人的征税，这就是累进税的由来。

耶鲁公开课 - 金融市场课程节选

"So,when an event like this occurs, it is incumbent upon a Democrat to react quickly and decisively, and Obama failed to do it."

VOA: standard.2010.01.06

But the action scenes develop deftly and decisively, keeping viewers guessing as to what will happen next.

VOA: standard.2010.07.26

"Greece is a reminder of what happenswhen governments lack the willingness to act decisively and quickly."

VOA: standard.2010.05.17

"The good news is that countries have already acted quite quickly and decisively, I would say,".

VOA: standard.2009.09.16