street-wise

adj (infml 口) knowledgeable about how ordinary people behave, survive, etc, esp in big cities 对一般人（尤指都市人）的行为、 生存方式等十分了解的.

stratum, straw, straw poll (also straw vote), straw-coloured, strawberry, strawberry-mark, stray, stray away from, streak, streaker, streaky, stream, stream of consciousness, streamline, streamlined, streamlining, street, street credibility (also ,street `cred), street value, street-girl (also `street-walker), streetcar, strength, strengthen, strenuous, strenuously, streptococcal, streptococcus, streptomycin, stress, stress mark, stressful, stretch, stretch out, stretcher, stretcher-bearer, stretchiness, stretchy, strew, strewth, striate,