1 to spare no pains or effort (idiom); to do one's utmost
九牛二虎之力
jiǔ niú èr hǔ zhī lì
1 tremendous strength (idiom)
力不胜任
lì bù shèng rèn
1 not to be up to the task (idiom)
2 incompetent
力不从心
lì bù cóng xīn
1 less capable than desirable (idiom); not as strong as one would wish
2 the spirit is willing but the flesh is weak
力所能及
lì suǒ néng jí
1 as far as one's capabilities extend (idiom); to the best of one's ability
2 within one's powers
力挽狂澜
lì wǎn kuáng lán
1 to pull strongly against a crazy tide (idiom); fig. to try hard to save a desperate crisis
力排众议
lì pái zhòng yì
1 to stand one's ground against the opinion of the masses (idiom)
力争上游
lì zhēng shàng yóu
1 to strive for mastery (idiom); aiming for the best result
2 to have high ambitions
力尽神危
lì jìn shén wēi
1 totally exhausted as result of overexertion (idiom)
助一臂之力
zhù yī bì zhī lì
1 to lend a helping hand (idiom)
努力以赴
nǔ lì yǐ fù
1 to use one's best efforts to do sth (idiom)
勉力而为
miǎn lì ér wéi
1 to try one's best to do sth (idiom)
势均力敌
shì jūn lì dí
1 evenly matched (idiom)
吃力不讨好
chī lì bù tǎo hǎo
1 arduous and thankless task (idiom); strenuous and unrewarding
同心协力
tóng xīn xié lì
1 to work with a common purpose (idiom); to make concerted efforts
2 to pull together
3 to work as one
吴下阿蒙
Wú xià ā Méng
1 General Lü Meng 呂蒙|吕蒙 of the southern state of Wu (idiom); model of self-improvement by diligent study (from unlettered soldier to top strategist of Wu)
回天无力
huí tiān wú lì
1 unable to turn around a hopeless situation (idiom)