先发制人 preemptive strike
Explanation
先发制人，指主动出击，抢占先机，控制对方。体现了积极主动、果敢的战略思想。
To take the initiative refers to taking the initiative, seizing the opportunity, and controlling the opponent. It reflects the active, proactive, and courageous strategic thinking.
Origin Story
秦末农民起义爆发后，各路英雄豪杰纷纷揭竿而起。项梁在会稽郡拥立楚怀王的孙子为楚王，准备起兵反秦。当时，会稽太守殷通也暗中准备起义，并邀请项梁共同商议大事。但项梁深知殷通为人反复无常，心怀鬼胎，为了避免被殷通所制，项梁决定先发制人。他表面上答应殷通的邀请，暗中却调集兵马，在与殷通会面的当天，迅速将其擒杀，从而掌控了会稽郡的兵权，为后来的反秦斗争奠定了坚实的基础。
After the outbreak of the peasant uprising at the end of the Qin Dynasty, many heroes and heroines rose up in revolt. Xiang Liang supported the grandson of King Chu Huai in Huiji County and prepared to fight against Qin. At that time, Yin Tong, the governor of Huiji, was also secretly preparing for the uprising and invited Xiang Liang to discuss important matters together. However, Xiang Liang knew that Yin Tong was fickle and insidious, and therefore decided to take the initiative to prevent him from being controlled by Yin Tong. He apparently agreed to Yin Tong's invitation but secretly gathered troops and quickly killed him on the day of their meeting, thereby controlling the military power in Huiji County and laying a solid foundation for the subsequent struggle against Qin.
Usage
常用来形容在竞争或斗争中，主动出击，争取主动地位，以达到控制对方，赢得胜利的目的。
It is often used to describe taking the initiative in competition or struggle, striving for an active position to control the opponent and win.
Examples
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面对竞争对手的挑战，我们必须先发制人，抢占市场先机。
mian dui jingzheng duishou de tiaozhan,womenbixuxianfa zhiren,qiangzhan shichang xianji. zai tantan zhong,xianfa zhiren,zhanju zhudong,caineng huode youli didiwei
In the face of challenges from competitors, we must take the initiative and seize market opportunities.
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在谈判中，先发制人，占据主动，才能获得有利地位。
In negotiations, taking the initiative and seizing the initiative can gain an advantageous position.