He is learning how to hack the computer security system.

He is learning how to hack a computer system.

In this area, rock blasting is being carried out to cut through the mountain.

This banned book is deemed illegal by the government.

That book was banned from sale due to its controversial content.

We have been working on this project for eight months.

Hattori is my best friend.

The white tiger is known for its beautiful white fur.

This jacket has high water repellency.

He sent the package by express mail.