| Subject | English | Russian |
| idiom. | be left scratching one's head | не знать, что и подумать (A couple in Canada were left scratching their heads when they spotted a curious group of pulsating lights that appeared hovering over a river. The puzzling sighting reportedly occurred last month as Justin and Danielle Stevenson were cruising along a road near the Winnipeg River in the province of Manitoba. Stopping their car to get a better look at the aerial anomalies, the Stevensons were stunned to see another set of similar orbs seemingly manifest out of thin air above the first pair of peculiar pulsating lights. (coasttocoastam.com) ART Vancouver) |
| news | be left scratching one's head | остаться в недоумении (после происшествия • A Florida couple were left scratching their heads when they spotted a mysterious and rather sizeable creature lurching along a river in a truly bizarre fashion.  coasttocoastam.com ART Vancouver) |
| idiom. | be left scratching one's head | недоумевать (после происшествия • Denizens of a Ukrainian village were left scratching their heads after a veritable armada of glowing anomalous orbs appeared in the night sky. • Police officers in Las Vegas were left scratching their heads when they responded to a call from a family who claimed that there were a pair of aliens in their backyard. (coasttocoastam.com) ART Vancouver) |
| Makarov. | give one's head a scratch | почесать голову |
| biol. | head scratching | почёсывание головы (элемент комфортного поведения) |
| rhetor. | head-scratching | малопонятный (Sometimes the AI system makes head-scratching decisions. singularityhub.com Alex_Odeychuk) |
| fig. | head-scratching | загадочный (Weather experts are baffled after over 100 mature trees were knocked down in Washington State. The head-scratching event occurred in the early morning hours at the Olympic National Park. A mysterious rumbling sound was heard by people living nearby. -- загадочное происшествие (coasttocoastam.com) ART Vancouver) |
| gen. | head-scratching moment | момент замешательства (Taras) |
| gen. | I can scratch my head | можно почесать лысину |
| fig. | left scratching one's head | в недоумении ("Despite a thorough ground and air search of the area, investigators are left scratching their heads and wondering what may have happened to the person or people who created the SOS sign in the bush hundreds of miles away from the nearest settlement. (coasttocoastam.com) ART Vancouver) |
| Makarov. | scratch one's head | скрести в затылке |
| gen. | scratch head | почесать в затылке (также перен.) |
| gen. | scratch head | чесать в затылке (также перен.) |
| Игорь Миг | scratch one's head | чесать в затылке |
| gen. | scratch head | призадуматься (Mixozya) |
| gen. | scratch one's head | чесать затылок (тж. перен.) |
| Игорь Миг | scratch one's head | разводить руками |
| Makarov. | scratch one's head | почесать затылок (в знак недоумения) |
| Gruzovik, prop.&figur. | scratch one's head | чесать затылок |
| Makarov. | scratch one's head | чесать голову (в знак недоумения) |
| Makarov. | scratch one's head | почесать голову |
| inf. | scratch one's head | чесать репу (messen) |
| Makarov. | scratch one's head | чесать затылок |
| Makarov. | scratch one's head | чесать в затылке |
| Makarov., fig. | scratch one's head | почесать в затылке |
| gen. | scratch one's head | почесать затылок (тж. перен.) |
| gen. | scratch head | чесать голову (Mixozya) |
| gen. | scratch head | чесать затылок (также перен.) |
| gen. | scratch head | почесать затылок (также перен.) |
| gen. | scratch head | ломать голову (Tanda) |
| inf. | scratch one’s head | чесать затылок (in puzzlement) |
| busin. | scratch one's head | находиться в недоумении |
| inf. | scratch one’s head | чесать в затылке (in puzzlement) |
| Игорь Миг | scratch one's head | чесать затылок |
| gen. | scratch head over | ломать голову (над чем-либо) |
| gen. | scratch head over | ломать голову (над чем л.) |
| gen. | scratch the back of one's head | почёсывать в затылке (4uzhoj) |
| gen. | scratch the back of one's head | чесать в затылке (4uzhoj) |