雄心勃勃

xióngxīnbóbó
  1. aggressive and grand (idiom); ambitious
  2. pushy

CEDICT

to be very ambitious

Wiktionary

形容企圖心很旺盛。

重編國語辭典

Entry Composition

1 雄心 xióngxīn
  1. great ambition
  2. lofty aspiration
2 勃勃 bóbó
  1. thriving
  2. vigorous
  3. exuberant