Definition of "tough-skinned" []

• Resilient; able to endure hardship or criticism, with no apparent adverse effects. (adjective)

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• "The Manchester United manager admits he has had to change as he has got older, delegating more and toning down his approach with modern players who are not as tough-skinned as they were when Ferguson started out in the game."
• "They are a little pricey, but worth every penny in the field when hunting tough-skinned game such as wild boar."
• "If you're forewarned about the only ill-advised and mildly amusing sexual simile in the book - "Like a lepidopterist mounting a tough-skinned insect with a too blunt pin he screwed himself into her" – then there's nothing else risible to fear, which for a novel with penetration on almost every page is an achievement."