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| Subject | Russian | English |
| Gruzovik | головоломная задача | poser |
| Gruzovik | головоломная задача | puzzling problem |
| Gruzovik | головоломная задача | puzzler |
| gen. | головоломная работа | brain-taxing work (Игорь_2006) |
| media. | головоломное преступление | baffling case (Robertson recalled the story of the Dutch psychic Gerard Croiset, who was said to see people who were missing or lost, and describe what they were doing, or where they were. She revealed that the police used his talents for over 40 years to solve some of their most baffling cases. Robertson also stated that Croiset was subjected to rigorous scientific testing, proving his abilities.  coasttocoastam.com ART Vancouver) |
| chess.term. | головоломные осложнения | crazy complications |
| chess.term. | головоломные осложнения в партии | puzzling complications |
| gen. | головоломный набор | brain-taxing set (Шакиров) |