放手一搏

fàngshǒuyībó
to put one's all into the fight

CEDICT

to cast aside one's misgivings, concerns, etc. and give it one's all (as a final attempt); to go all out; to take the plunge

Wiktionary

不顧一切作最大的努力。

重編國語辭典

不顧一切作最大的努力

維基詞典

Entry Composition

1 放手 fàngshǒu
  1. to let go one's hold
  2. to give up
  3. to have a free hand
2 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
3 搏 bó
  1. to fight
  2. to combat
  3. to seize
  4. (of heart) to beat