street smarts
US /ˈstriːt smɑːrts/
UK /ˈstriːt smɑːrts/

1.
Straßenintelligenz, Lebenserfahrung
the ability to deal with difficult or dangerous situations, especially in big cities, in a practical and effective way
:
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He may not have a degree, but he has plenty of street smarts.
Er hat vielleicht keinen Abschluss, aber er hat viel Straßenintelligenz.
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You need some serious street smarts to survive in this city.
Man braucht ernsthafte Straßenintelligenz, um in dieser Stadt zu überleben.