You'd better fold it carefully.

你最好仔细地折叠好它。

youdao

You can fold it in half just like closing a book.

你可以像合书一样把它对折。

youdao

Third, fold the bottom part up, then fold it again.

第三，把下半部往上叠，然后再对折。

youdao

When I saw this paper, the Mexican paper, I immediately thought I want to fold it into a pot."

VOA: standard.2010.03.17

So if you can have a piece of paper here, and you fold it 41 times by the end of the class, you can reach the moon.

如果你们有一张纸，再在下课之前折叠41次，你就能碰到月亮。

哈佛公开课 - 幸福课课程节选

In fact many of them have folded and I would be willing to predict that many still will not make it and will fold.

事实上很多已经失败,我很愿意预测,很多赢利网站都将会失败。

麻省理工公开课 - 媒体、教育、市场课程节选

Moreover, its 13.3-inch widescreen display and full-size keyboard means you won't notice you're using an ultra-light laptop until you fold it up.

FORBES: Magazine Article

Take a piece of foil about 25 inches long, fold it into thirds lengthwise, and fasten the ends with a paper clip.

CNN: New uses for Thanksgiving items

Spread the rice mixture into the dish, gather the overhanging phyllo and fold it over the filling to form a boureki, or large pie.

NPR: Recipes: 'Vefa's Kitchen'