nieuczciwa przewaga

It seems as if she has an unfair advantage over the rest of the people in her classes.

"They want to make sure no one has an unfair advantage."

"Just as you having a cross would be an unfair advantage."

"You've tried to take the most unfair advantage of me."

President Washington thought the bill gave an unfair advantage to the northern states.

I will never take an unfair advantage in order to win.

"But that seemed to be taking unfair advantage of him."

No unfair advantage will be taken beyond that which I just took.

"It would be taking unfair advantage of the other players."

Even then, parents worried that the full day would give some students an unfair advantage later on.