The security system detected a penetration.

The enemy's army invaded our country.

He intercepted my path.

It's rude to interrupt his story.

The large building blocked the sunlight.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

After the earthquake, a crack developed in the wall.

The aquifer in this area provides a very abundant water source.

My favorite classic novel is Water Margin.

Since he started his new job, he's been lively as if he were a fish back in water.