We must make a resolution to study hard.

我们必须下决心努力学习。

Peter often make a resolution to study hard.

彼得经常下决心要努力学习。

Make a resolution to go to the gym once a week.

下定决心，每星期去一次健身房。

I make a resolution to practice English every day.

我下定决心要每天操练英语。

Make a resolution to not think about anything till it ends.

下定决心不要想任何事情知道它结束。