"Waving your hand" is the Engpsh expression for "甩动你的手" in Chinese.

This expression is used to describe the action of moving your hand back and forth in the air, often as a gesture of greeting or to get someone's attention. It is a common physical gesture that is used in many cultures around the world.

Here are a few example sentences using the expression "waving your hand" in Engpsh:

"She waved her hand to signal that she was ready to leave." (她用手招手表示准备离开。)
"He waved his hand at the taxi to hail it." (他用手招手叫出租车。)
"She waved her hand goodbye as she walked out the door." (她走出门时用手挥手告别。)