You can use this machine with simple operations.

He worked hard for many years to obtain that official position.

He had deep sympathy for the widows and widowers.

The police investigated the scene.

He is engaged in the geological investigation of that area.

He fought bravely in the match.

His brave fighting spirit encouraged the whole team.

Her antipathy towards him increased day by day.

He is working as a bureaucrat.

I'm not yet used to this character.