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| English | Russian |
| Be at one's sharpest | на пике активности |
| not the sharpest tool in the shed | пустоголовый (Ballistic) |
| not the sharpest tool in the shed | тупой как сибирский валенок (Ballistic) |
| not the sharpest tool in the shed | дуб дубом (Ballistic) |
| not the sharpest tool in the shed | умом не блещет (-Danny failed his third test this week. -Well, he's not not the sharpest tool in the shed, you know. Ballistic) |