great streets and small alleys (idiom); everywhere in the city
大 · 3 strokes
Depicts an adult man facing forward and standing erect. The meaning later shifted to "big".
街 · 12 strokes
Phonosemantic compound. 行 represents the meaning and 圭 represents the sound.
小 · 3 strokes
Depicts three small dots, representing the meaning "small". Originally the same character as 少. The small dots possibly represent grains of sand (沙).
巷 · 9 strokes
Phonosemantic compound. 邑 represents the meaning and 共 represents the sound.
这个消息很快就传遍了大街小巷。
This news quickly spread throughout every street and alley.