奋力

qí bīng zhàn shì chōng rù dí qún fèn lì kǎn shā

骑兵战士冲入敌群，奋力砍杀。

The cavalrymen charged into the enemy ranks, slashing furiously.

fèn lì chōng cì

奋力冲刺

spurt for the line

fèn lì dǐ kàng

奋力抵抗

do all one can in resistance

fèn lì pīn bó

奋力拼搏

struggle on one's mettle

zài zhěng gè fú xíng qī jiān tā fèn lì zhèng míng zì jǐ míng yù de qīng bái

在整个服刑期间，他奋力证明自己名誉的清白。

Throughout his years in prison, he fought to clear his name.

měi jiā gōng sī dōu zài fèn lì bǎo hù zì jǐ de shāng yè lì yì

每家公司都在奋力保护自己的商业利益。

Each company is fighting to protect its own commercial interests.