区分大小写 qū fēn dà xiǎo xiě

DEFINITIONS

  1. case sensitive
  2. distinguishing capitals from lowercase letters

CHARACTERS

区 qū area, district, region, ward
分 fēn divide; small unit of time etc.
大 dà big, great, vast, large, high
小 xiǎo small, tiny, insignificant
写 xiě write; draw, sketch; compose