挥手用英语可以说成 wave。

这个词来源于古英语中的 "waefan"，意思是挥动或摆动。

例句：

She waved her hand to say goodbye. (她挥手告别。)

The flag was waving in the wind. (旗帜在风中飘扬。)

He waved his wand and performed a magic trick. (他挥动魔杖，表演魔术。)