deciding

音标发音

Let me consider the matter well before deciding.
让我细细思量后再决定吧。
《新英汉大辞典》
I usually dip into a book before deciding whether to buy it.
我通常先浏览一本书然后才决定是否买它。
Take a little time to measure up your chance before deciding.
做出决定前花点时间估量一下你的机会如何。

A new study suggests that venture capitalists rarely consider the business plan when deciding whether to invest in a new company.
That person didn't take ownership of his or her education.That person isn't deciding to be a part of the 3.091 community.
他没有掌握他自己学业的自主权,他没有决定要成为,我们这门课程的一部分。
麻省理工公开课 - 固态化学导论课程节选
As an editor, I'm constantly taking all these inputs and deciding on that one or that intersection of a few that makes sense for what we're doing.
作为一个编辑，我不断地吸收这些输入程序,决定哪一点或是哪一部分,是值得去做的。
斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

John McCain is the presumptive Republican nominee, but the Democrats are still deciding between Sens.
NPR: latest news

A deciding event or action is more important than the rest because the final result, decision, or choice is changed by it.

If you decide to do something, you choose to do it, usually after you have thought carefully about the other possibilities.
If a person or group of people decides something, they choose what something should be like or how a particular problem should be solved.
If an event or fact decides something, it makes it certain that a particular choice will be made or that there will be a particular result.
If you decide that something is true, you form that opinion about it after considering the facts.