Translation: Street-Smarts/Street Smart? How to translate street smart into Mandarin?

Baidu gives:


  n.     城市生活方式、生存能力


but that's can't be right...

As in:
A street smart cop.

or

A cop with street-smarts.
Originally it means empirical wisdom gleaned from the streets.

市井聪明, 街市里积累的智慧

市井 [street]∶街市,
    [urban vulgar class]  指城市中流俗之人

Source: http://baike.baidu.com/view/849797.htm

聪明【英译】wise；sensitive clever；smart

Source: http://baike.baidu.com/subview/95047/11119951.htm