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。

This is a time of decisive action and quick thinking.

这个时刻需要行动果断、思维敏捷。

Mr Geithner appealed for decisive action.

盖那先生请求采取果断行动。

Evaluate situations and take decisive action.

对情况进行评估，然后果断行动。

You just don't want to take the wrong decisive action.

当然，没有人想果断地采取错误的行动。