My new notebook computer operates very fast.

I work every day using computer communication.

Let's turn off the lights when it becomes 10 o'clock at night.

This product has been discounted and is a great deal.

Her younger brother has Down syndrome.

His recent actions have led to a deterioration of his public image.

My new laptop computer is very fast.

My new desktop computer is very fast.

He suffered a knockdown in the boxing match.

He knocked down his opponent.