hazaña in English:

The international space station is an amazing feat of engineering.

a feat of endurance/skill/daring

Finishing University is a big feat, you should be proud of yourself.

The player performed a wonderful feat.

When people accuse you of building castles in the air, they are not usually congratulating you on an incredible engineering feat, but more likely trying to bring you back down to earth with a thud.

Furthermore, consumer organisations would accomplish a great feat if they were to create an awareness that cheap is not always the same as good.

„She is an astonishing athlete, a huge personality, and she has achieved one of the most amazing feats in our sport.“

Yes, and the most incredible feat wins her.

athletic feat

Travelling around the world in a small yacht is an amazing feat.

Being a world champion is no easy feat.

They climbed the mountain in 28 days, a remarkable feat.

Now how did Bill Gates achieve such a feat?

that was one of the most ambitious production feats ever seen on a TV screen.

And, how did he accomplish a feat like this...?