没大没小 méi dà méi xiǎo

DEFINITIONS

  1. impolite
  2. cheeky
  3. impudent

CHARACTERS

没 méi not, have not, none; drown, sink
大 dà big, great, vast, large, high
没 méi not, have not, none; drown, sink
小 xiǎo small, tiny, insignificant