He throws his hands open in a gesture which clearly indicates his relief.

他摊开双手，明确表示他解脱了。

youdao

When you open your hands, the world is in your hands.

当你打开双手，世界就在你手中。

youdao

Hold an open book in your hands in front of you and close it quickly. What can you feel?

手中拿一本展开的书放在面前，快速合上书，你能感觉到什么？

youdao

Then rinse under running water. In a public restroom, if you dry your hands with a paper towel, you should also use the towel to shut off the water and open the door.

VOA: special.2010.09.29

The supplier is more likely to be sincere if that bewildered facial expression is coupled with hands open at chest level, palms up, and slightly raised shoulders.

FORBES: How to Read Business Body Language Like a Pro - 3rd tip

The technique was based on a gestural vocabulary that included drawing back, with both hands open and raised up, eyes wide open, and mouth agape, to indicate surprise, and that sort of thing.

FORBES: Why You Need to Change Your Public Speaking Style

His hands are open, his palms are open and turned toward you, and his torso is exposed rather than protected by his hands or arms.

FORBES: Body Language Quick Takes: How to Spot Openness