He belonged to the army.

She tends to be mentally unstable.

In physics, the gyroscopic motion is an important element in controlling the rotation of an object.

The protection of this town is my responsibility.

On is always maintaining a calm attitude.

He was worried about starting a new project, but I advised him, 'Doing something is easier than worrying about it.'

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

He decided to quit his job because it was a low salary.

His behavior became grounds for suspicion.

My family owns three cars.