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| English | Russian |
| as sharp as a marble | тупой как пробка (Some people are about as sharp as a marble. ART Vancouver) |
| as sharp as a marble | недалёкий (Some people are about as sharp as a marble. ART Vancouver) |
| lose ones marbles | выжить из ума (Yeldar Azanbayev) |
| lose ones marbles | рехнуться (Yeldar Azanbayev) |