挥舞 (huī wǔ): to brandish; to wave sth

The orchestra conductor stood at the center of the stage, gently waving the baton with both hands, leading the entire orchestra into a melodious melody.

The children chased each other playfully on the grass, waving colorful balloons in their hands, their laughter carrying far.

After seeing their supported team score, the fans excitedly waved scarves and flags, singing the team anthem loudly.

Standing at the mountain top, he waved his arms against the wind and shouted loudly, as if wanting to release all his stress.

The traffic police officer stood at the intersection, waving a baton to signal vehicles and pedestrians to pass safely.