做决定的英文是make a decision、making decisions，它的意思是是指做出主张；某事物成为另一事物的先决条件；起主导作用。
1、Think things over before you decide.
你要先把一切考虑好再做决定。
2、They gave him five minutes to decide.
他们给了他五分钟来做决定。
3、There are so many things to think of before we decide.
我们要考虑到许多方面然后才能做决定。
4、He said with surprising courtesy,"someone had to decide."
他以一种令人意外的谦恭态度说：“总得有人来做决定。”
5、We must be practical and work out the cost before we make a decision.
我们应该实事求是地先把费用算出来，然后再做决定。
6、In my office the boss makes all the decisions and i do all the donkey work.
公司里做决定的是老板，而我总是做繁琐的工作。
7、I have not decided yet,but i will let you know right after i have made my decision.
我还没有决定，但是我做决定之后立即通知你。
8、I do not want to put pressure on you to make a decision,but we have not much time left.
我并不想催你做决定，只是我们剩下的时间已经不多了。
9、Earlier,he had made decisions with almost sportive ease;now,he had to force them out of his exhausted brain.
以前，他做决定如同儿戏，如今，绞尽脑汁，好不容易。
10、Students do not make the decisions on these matters.
学生不能在这些事情上做决定。