警察发现我没有系安全带，用动作示意我停车。

The policeman spotted that I hadn't got my seat belt on and signaled me to stop.

youdao

我已经碰到那支笔了，我再一次用动作示意让他把笔还给我。

I touched it, and again asked him, by gesture, to hand it over.

youdao

严重失用症患者常难以用手势或动作示意，但可通过情绪表达。

People with severe aphasia are usually extremely limited in explaining themselves by pantomime or gesture, except for expressions of emotion.

youdao