leistungsfähig in inglese:

He is powerful.

He has powerful connections in the publishing industry.

A nation need not necessarily be powerful to be great.

In South Korea, the most powerful member of a family, usually the oldest living male, has the power to send members of his family to a psychiatric hospital as he sees fit.

The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history.

That is what I will try to do – to speak the truth as best I can, humbled by the task before us, and firm in my belief that the interests we share as human beings are far more powerful than the forces that drive us apart.

In real life kings are powerful, but in chess they're pretty much worthless.

When two powerful forces with opposite ideals come face to face, it's time for a showdown.

Last week the powerful Keidanren called on Tokyo to lift the ban.

What would happen if two powerful nations with different languages - such as United States and China - would agree upon the experimental teaching of Esperanto in elementary schools?

Being powerful is like being a lady. If you have to tell people you are, you aren't.

In ancient Rome, the bodyguards who surrounded the wealthy and powerful to protect them when they walked the streets, were called satellites.

The powerful farming lobby is pressurizing the government to change the law.

A dog’s powerful sense of smell helps it find illegal objects in people’s luggage.

Undoubtedly, one of the film's biggest assets is Joseph Gordon-Levitt, who gives a powerful performance as the title character.