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