He is really knowledgeable and always teaches us new information.

He shot the pellet with a slingshot.

He played the piano for three rounds.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

I unmounted the USB drive.

Please don't forget to unmount.

We are considering introducing a new voting system.

We have developed a new methodology to solve this problem.

Learning a new input method is difficult.

He lost everything.