出神入化

chūshénrùhuà
to reach perfection (idiom); a superb artistic achievement

CEDICT

to reach the acme of perfection

Wiktionary

形容技艺已到达高超绝妙的境界。

重編國語辭典

形容文艺、技艺、工艺等之技巧达到至高绝妙的境界

維基詞典

Entry Composition

1 出神 chūshén
  1. spellbound
  2. entranced
  3. lost in thought
2 入 rù
  1. to enter; to go into
  2. to join; to become a member of
  3. (bound form) to conform to (as in 入时 rùshí)
  4. abbr. for 入声 rùshēng
  5. (on product packaging, after {number n} + {classifier}) containing (n pieces) (from Japanese 入 "iri")
3 化 huà
  1. to make into
  2. to change into
  3. -ization
  4. to ... -ize
  5. to transform
  6. abbr. for 化学 huàxué