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| Russian | English |
| вести тщательное и т.д. наблюдение | observe smth., smb. closely (attentively, curiously, anxiously, patiently, etc., за чем-л., кем-л.) |
| вести тщательное и т.д. наблюдение | observe accurately (carefully, systematically, etc.) |
| тщательное наблюдение | rigorous surveillance (Taras) |