内外夹攻 nèiwàijiāgōng to attack from inside and out Definitions Defs Origin Strokes Stroke Words Sentences Sents 内外 內外 nèiwài noun inside and out inside and outside; domestic and foreign; both the interior and exterior of something夹攻 夾攻 jiāgōng to attack from both sides to launch an attack from two sides; to use a pincer movement to converge on a target; to perform a fork in chess. Also written as 夹击 jiājī.