nèi​róu​wài​gāng

soft inside and hard outside

  1. nèi locative
    inside
    inside; within; inner; internal; specifically refers to the interior or domestic domain as opposed to the exterior or foreign domain; often used in spatial or temporal contexts
  2. róu adjective
    gentle
    (bound form) gentle; mild; yielding
  3. wài locative
    outside
    outside; exterior; the space or position beyond a certain limit or boundary
  4. resolute
    firm or unyielding in character or temperament; upright