act in a film的用法和样例：
- Legislatures often act in a negatory manner.
- He hadn't appeared in a film for thirteen years.
- He is acting in a fiduciary capacity.
- To talk or act in a feeble or futile way.
- See fit or proper to act in a certain way.
- Mongolian herdsman.He can't believe the fact that he has already acted in a film in his life.