量力而为 Do what one can
Explanation
量力而为，是一个汉语成语，意思是根据自身能力去做事，不要勉强。它强调的是根据实际情况，量力而行，避免盲目乐观，避免好高骛远。体现了实事求是的精神。
Liangli er wei is a Chinese idiom meaning to do things according to one's own ability, do not force. It emphasizes that according to the actual situation, do what one can, avoid blind optimism, avoid unrealistic goals. Reflects the spirit of seeking truth from facts.
Origin Story
春秋时期，郑庄公为了巩固自己的统治，决定消灭邻近的许国。然而，许国并非易于攻克，郑庄公深知贸然进攻可能导致失败。他召集大臣们商议，大臣们各抒己见，有的主张立刻出兵，有的建议先做好充分的准备。郑庄公认真听取了大家的意见，并仔细分析了郑国和许国的实力对比，以及当时国际形势。他最终采纳了量力而为的策略，决定先削弱许国的实力，再伺机进攻，最终成功消灭了许国，避免了一场激烈的战争。
During the Spring and Autumn Period, Zheng Zhuanggong, in order to consolidate his rule, decided to destroy the neighboring state of Xu. However, Xu was not easy to conquer, and Zheng Zhuanggong knew that a rash attack might lead to failure. He summoned his ministers to discuss the matter. Some ministers advocated an immediate attack, while others suggested making full preparations first. Zheng Zhuanggong listened carefully to everyone’s opinions and carefully analyzed the comparison of strength between Zheng and Xu, as well as the international situation at that time. He finally adopted the strategy of acting according to one's capacity and decided to weaken Xu's strength first before seizing the opportunity to attack. Ultimately, he successfully destroyed Xu, avoiding a fierce war.
Usage
量力而为常用于劝诫人们做事要量力而行，切忌好高骛远，要根据自身的实际情况来决定做事情的范围和目标，避免盲目乐观导致失败。
Liangli er wei is often used to advise people to do things according to their ability, avoid unrealistic goals, and decide the scope and goals of things according to their own actual situation to avoid blind optimism leading to failure.
Examples
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这次的活动，我们应该量力而为，不要做得太勉强。
zhe ci de huodong,women yinggai liangli er wei,buya zuode tai miangling. mian dui ru ci da de gongcheng,women bixu liangli er wei,caineng quebao shunli wancheng
This time the activity, we should do what we can, don't do too much.
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面对如此大的工程，我们必须量力而为，才能确保顺利完成。
In the face of such a large project, we must do what we can to ensure the smooth completion of the project.