Lysergic acid diethylamide is a psychoactive substance.

This old house has been derelict for years.

Boarding! We are attacking the enemy ship!

The flight attendants are very professional.

The air hostess welcomed the passengers with a warm smile.

The border police monitors the country's borders.

He is always on the lookout for new opportunities.

The company begins to go into decline after the economic crisis.

It's time to take action and make our projects a reality.

We need to highlight the importance of ecology.