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troublesome : 75 phrases in 22 subjects |
| Acoustics | 1 |
| Aviation | 1 |
| Cooking | 1 |
| Diplomacy | 1 |
| Drilling | 1 |
| General | 13 |
| Geology | 7 |
| Informal | 6 |
| Makarov | 17 |
| Mass media | 3 |
| Medical | 2 |
| Mining | 3 |
| Neuropathology | 1 |
| Oil / petroleum | 4 |
| Oilfields | 1 |
| Ophthalmology | 1 |
| Patents | 1 |
| Programming | 2 |
| Proverb | 3 |
| Psychology | 1 |
| Technology | 4 |
| Telecommunications | 1 |