鞭辟入裡 [－－－里]

Jyutping bin1 pik1 jap6 leoi5
Pinyin biān pì rù lǐ

Definitions (Wiktionary)
  1. phrase, idiomatic, of an article, usually
    to be penetrating
    (syn.) 鞭辟進裡, 鞭辟进里