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 get betrothed, for I can provide for more than one family.

我打算订婚，因为我可以供养不止一个家庭。

youdao

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

He writes home, "I do not intend to shirk now that there is really something to fight for; I mean freedom.

他在家书中道,"我不打算逃避,我必须为之一战,为自由而战

耶鲁公开课 - 美国内战与重建课程节选

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