The conductor signaled the orchestra to rise.

指挥手让乐队起立。

Glancing to door, he signed that he was ready to leave.

他看着门口手表示他随时可以离开。

He made gestures to punctuate his speech.

他手来强调他的讲话。

Gestures are a nonverbal means of expression.

手是种语的表达方式。

She was gesturing so excitedly that I knew something was wrong.

她如此激动地直手,我知道出问题了。