放手一搏

to put one's all into the fight

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)

hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]

to let go one's hold / to give up / to have a free hand

to fight / to combat / to seize / (of heart) to beat