Learn what "he's smart he's tough as nails" means, when people say it, and how to use it naturally in English.

It means the person is very strong, resilient, and hard to defeat or intimidate.
From The Chauffeur, Episode 24
Someone is praising a man as intelligent and very tough.
Use this to describe someone who handles pressure well or seems emotionally and physically tough. It is informal and sounds natural in spoken English.
Scenes unlock real expressions as you watch
Tap to translate or use dual subtitles
Practice immediately with AI Characters
Reinforce with quick quizzes and repetition
Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.
Start learning