1、I made up my mind and got started with my work.
我下定决心，开始工作。
2、They gave me a week to make up my mind.
他们允许我有一周的时间作决定。
3、I have many facts to chew upon before I make up my mind.
我在作出决定之前有许多情况要加以考虑。
4、I am old enough to make up my own mind.
我已经长大了，可以自己拿主意了。
5、I can't make up my mind whether to come or not.
我不能决定是去呢？还不去呢？