I intend to challenge the legitimacy of his claim.

我打算对他声称的是否正确提出质疑。

《牛津词典》

I intend to continue it and see the job through to the finish.

我打算继续做下去，帮助把这项工作做到最后。

《柯林斯英汉双解大词典》

I intend to take full advantage of this trip to buy the things we need.

我打算充分利用这次旅行来购买我们需要的物品。

《柯林斯英汉双解大词典》

We are desperate to get this country through the recession and into recovery and that is what I intend to continue to do."

VOA: standard.2010.04.30

I'll give the word the meaning I intend it to mean.

我说的话就是必须表达我的意思。

麻省理工公开课 - 固态化学导论课程节选

You can use the "I'll" pattern to show that you intend to do something,

你可以用 "I'll" 句型来表示你正打算做某事。

I will 课堂 - SpeakingMax英语口语达人

This is not a resignation letter - I intend to hang on for dear life.

BBC: Should job-hogging over-50s all resign?

The American people have questions for the IRS and I intend to get answers.

CNN: Obama: Alleged IRS political targeting 'outrageous'

And I intend to work as hard as I know how to make sure we do.

WHITEHOUSE: Weekly Address: Ending the War in Afghanistan and Rebuilding America | The White House