內柔外剛 [内－－刚]

Jyutping noi6 jau4 ngoi6 gong1
Pinyin nèi róu wài gāng

Definitions (Wiktionary)
  1. phrase, idiomatic
    appearing tough on the outside but actually being weak-willed or gentle
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）