movements with your hands or arms intended to express something or to emphasize what you are saying

She was waving her hands in excited gesticulations. 她激动地挥手示意。

The jokes are told with so much gesticulation that the actors seem to be performing in some kind of new sign language. 这些笑话是用大量的手势讲述的，演员们似乎是在用某种新的手语表演。