他奋力完成了这个项目。
tā fènlì wánchéng le zhègè xiàngmù 。
He made every effort to complete this project.
我们需要奋力合作才能成功。
wǒmen xūyào fènlì hézuò cáinéng chénggōng 。
We need to work hard together to succeed.
他奋力追赶，希望能赶上火车。
tā fènlì zhuīgǎn ， xīwàng néng gǎnshàng huǒchē 。
He ran with all his strength, hoping to catch the train.