入迷

rùmí
  1. to be fascinated
  2. to be enchanted

CEDICT

to be fascinated by; to be obsessed with; to be enchanted by

Wiktionary

专注于某种事物而心无旁骛。

重編國語辭典

Entry Composition

1 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")
2 迷 mí
  1. to bewilder
  2. crazy about
  3. fan
  4. enthusiast
  5. lost
  6. confused

Related entries

神往 shénwǎng
  1. to be fascinated
  2. to be rapt
  3. to long for
  4. to dream of
着迷 zháomí
  1. to be fascinated
  2. to be captivated
我最近着迷于法语。

I have been obsessed with French recently.

Source: Tatoeba

疯魔 fēngmó
  1. mad; insane
  2. to be fascinated
  3. to fascinate