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| English | Russian |
| as tough as old boots | толстокожий (insensitive to criticism and abuse; not easily hurt george serebryakov) |
| as tough as old boots | глухой (george serebryakov) |
| as tough as old boots | невосприимчивый (george serebryakov) |
| as tough as old boots | крепкий как кремень (george serebryakov) |