English definition of “tough”
DIFFICULT › difficult: He's had a tough time at work recently. We've had to make some tough decisions.
SEVERE › Tough rules are severe: tough new laws on noise pollution
STRONG THING › not easily damaged, cut, etc: Children's shoes have to be tough. This meat's very tough.
STRONG PERSON › physically strong and not afraid of violence: a tough guy
DETERMINED › determined and not easily upset: You have to be tough to survive in politics.
UNFAIR › unfair or unlucky: It can be tough on kids when parents get divorced.