The government must take decisive action on gun control.

政府必须在枪支管制方面采取果断措施。

《牛津词典》

This is a time of decisive action and quick thinking.

这个时刻需要行动果断、思维敏捷。

《柯林斯英汉双解大词典》

But another thing is for certain - that we have taken strong and decisive action.

但是另一件事情也是肯定的，我们正在采取强有力的决定性行动。

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