一门心思

一門心思
yīménxīnsi
to set one's heart on sth (idiom)

CEDICT

  1. (colloquial) wholeheartedly
  2. wholeheartedly

Wiktionary

全心，专心一意

維基詞典

Entry Composition

1 一门 yīmén
  1. (dialectal) continuously; constantly
  2. (literary) a door
  3. (literary) a single source; a single origin
  4. (literary) a way; a means
  5. a cannon
  6. a door
  7. a family; a clan
  8. a kind; the same kind
  9. a single source; a single origin
  10. a skill
  11. a style; a faction; a denomination
  12. a subject of study
  13. a way; a means
  14. an event or occurrence
  15. continuously; constantly
  16. the same school or teacher
2 心思 xīnsi
  1. mind
  2. thoughts
  3. inclination
  4. mood

Related entries

上心 shàngxīn
  1. carefully
  2. meticulously
  3. to set one's heart on sth
他在課堂上心不在焉。

He had his head in the clouds in class.

Source: Tatoeba