外圆内方

Explanation: Round pass; side Founder. Surface, easy-going person metaphor, solemn heart. 　　Usage: Joint type; as predicate, object; with compliment 　　Source: Southern Song Fan Ye "Han Zhi Yun Biography" evil corruption case of extended-owned, foreign inner circle, clique structure adultery, and indiscriminately on the harm. " 　　Examples: Jingnv Shi Hui always wanted to learn the sophisticated elite, Ms. Wang's ~ school, but also easy-going, there are stereotypes. ★ Mao Dun "Disillusion" Thesaurus:  ruthless character behind a gentle appearance is like a needle hidden in silk floss, an iron fist in a velvet glove