势均力敌 evenly matched
Explanation
指双方实力相当，不分伯仲。形容双方实力相当，力量均衡，难分胜负。
Refers to the equal strength of both sides, evenly matched.
Origin Story
北宋时期，王安石推行新法，遭到保守派官员的强烈反对。其中，吕惠卿表面上支持王安石，暗地里却与司马光等保守派勾结，伺机破坏新法。王安石虽然才华横溢，但面对吕惠卿等人的步步紧逼，也感到力不从心。两人在朝堂之上，为了新法改革，展开了激烈的斗争，你方唱罢我登场，你来我往，针锋相对，可谓是势均力敌。这场斗争持续多年，最终以王安石的罢相而告终，但也使得新法改革的进程受到了严重阻碍。虽然王安石最终没能完全实现他的政治抱负，但这场势均力敌的斗争，也为后世留下了深刻的启示：改革的道路从来不是一帆风顺的，需要付出巨大的努力，并且时刻面对各种挑战。
During the Northern Song Dynasty, Wang Anshi implemented new policies, which were met with strong opposition from conservative officials. Among them, Lü Huiqing outwardly supported Wang Anshi, but secretly colluded with conservative officials like Sima Guang to sabotage the new policies. Although Wang Anshi was talented, he felt overwhelmed by the relentless pressure from Lü Huiqing and others. In the court, the two engaged in fierce struggles over the new reforms. The struggle continued for many years and eventually ended with Wang Anshi's resignation, which significantly hampered the progress of the new reforms. Although Wang Anshi ultimately failed to fully realize his political ambitions, this evenly matched struggle has left a profound impact on future generations: the path to reform is never smooth; it requires tremendous effort and constant confrontation with various challenges.
Usage
用于形容双方力量均衡，难以分出胜负。常用于战争、比赛、竞争等场合。
Used to describe that both sides have balanced strength and it is difficult to tell who will win. Often used in war, competition, and competition.
Examples
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两军对垒，势均力敌，谁胜谁负还很难说。
liangjun duilei, shijunlide, shuishengshuifu hai hen nanshuo
The two armies are evenly matched, and it is hard to say who will win.
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经过激烈的角逐，最终两队势均力敌，打成了平手。
jingguo jilie de jiaoju, zhongyu liangdui shijunlide, dachengle pingshou
After a fierce contest, both teams ended up evenly matched and ended in a draw.