We will study the report carefully before making a decision.
我们将认真研究这份报告，然后再作决定。
I'd like a second opinion before I make a decision.
我在作决定之前，想听听别人的`意见。
In any decision she makes, her family always comes first.
她作任何决定都是家庭第一。
Research will be needed as a preliminary to taking a decision.
作出决定之前需要进行研究。
The decision was based on emotion rather than rational thought.
这个决定不是基于理性的思考而是基于感情作出的。