I have decided to retire from Formula One racing at the end of the season.

我已经决定这个赛季末退出一级方程式赛车。

《柯林斯英汉双解大词典》

I have decided to read some books and visit some places of interest.

我已经决定读书和游览名胜古迹。

youdao

I have decided not to go to the school because I am seriously weak.

我已经决定不去学校了，因为我身体很虚弱。

youdao

I had no breakfast, and decided to have a swim in the Bronx River,instead.

VOA: special.2010.08.01

And so I decided to have a progressive scale that increases according to what you earn like the tax scale.

所以，我决定制定一个累进的捐款标准表,捐款的数量随着收入的增加而增加,就像税率表一样，这个标准表从收入的1%起步。

普林斯顿公开课 - 人性课程节选

Most of us don't know enough to know with a high degree of accuracy how things would have gone had I decided to become a farmer instead of a philosopher.

多数人了解得都不够,无法更确切地知道,如果我成为农夫而非哲学家,到底会有怎样的人生。

耶鲁公开课 - 死亡课程节选

"I have decided to postpone the purchase as I will have more choices, " he says.

CNN: INDIA'S CAR WARS

After considerable deliberation and reflection, I have decided not to pursue the office of the presidency.

FORBES: Trump Passes On The Presidency

President Obama and I have decided to strengthen our cooperation in the area of counterterrorism.

WHITEHOUSE: President Obama and Prime Minister Singh Press Conference