He wants to use the water to irrigate barren desert land.

他想用该水来灌溉贫瘠的沙漠土地。

《柯林斯英汉双解大词典》

He wants to use his knowledge to help more people.

他想用自己的知识来帮助更多人。

youdao

Now he wants to use these boxes to take the place of the dead trees.

现在他想用这些箱子来代替枯树。

youdao

A question from the West Bank: Zuheir Khlaif wants to know how American schools use educational technology.

VOA: special.2009.12.17

Hardy wants to use really old dialect words, when he can, and there's power in that. And this is a poem composed in 1915.

哈迪在他可以的时候总是想使用真正的古代方言，而在其中是有力量的，这是一首在1915年作的诗。

耶鲁公开课 - 现代诗歌课程节选

You could use the "what do you" pattern in order to ask which article he wants to buy.

你可以用“What do you”句型来问男友他想买哪一个。

What do you 课堂 - SpeakingMax英语口语达人

In the future Schneider wants to use the simulator to decide which new business to pursue.

FORBES: Magazine Article

This all changes today, now that Voddler is open for anyone who wants to use it.

ENGADGET: Voddler video-on-demand service free to the people (of Sweden)

Toan also wants to use the site to sell nonprescription drugs and other items.

FORBES: Script doctor