分进合击 Divided advance and united attack
Explanation
指军队从几个方向同时进攻，合力围攻同一个目标。比喻采取多方面同时进行的策略，集中力量打击敌人。
Refers to a military strategy where troops attack from several directions at the same time to encircle and defeat a common target. Figuratively, it means to adopt a strategy of performing multiple actions simultaneously in order to focus strength on an enemy.
Origin Story
话说三国时期，蜀汉名将诸葛亮率领大军北伐曹魏。面对曹魏雄厚的兵力，诸葛亮决定采用“分进合击”的策略。他将大军分成几路，分别由赵云、马超、黄忠等大将率领，从不同的方向进攻曹魏的城池。赵云率领先锋部队，直捣曹魏大营，牵制敌军主力；马超则从侧翼突击，切断敌军后路；黄忠则带领精锐部队，攻打曹魏的粮仓，切断敌军的补给线。曹魏军队措手不及，被蜀军打得措手不及，最后不得不放弃城池，退兵而去。诸葛亮的“分进合击”策略，取得了辉煌的胜利，也成为了后世兵家学习的典范。
During the Three Kingdoms period, the famous Shu Han general Zhuge Liang led his army on a northern expedition against Cao Wei. Facing Cao Wei's strong military force, Zhuge Liang decided to adopt the strategy of "divided advance and united attack." He divided his army into several groups, each led by generals such as Zhao Yun, Ma Chao, and Huang Zhong, to attack Cao Wei's cities from different directions. Zhao Yun led the vanguard troops, attacking the Cao Wei camp directly to contain the enemy's main force. Ma Chao launched a flanking attack, cutting off the enemy's rear. Huang Zhong led elite troops to attack Cao Wei's granaries to cut off the enemy's supply lines. The Cao Wei army was caught off guard and defeated by the Shu army. Finally, they had to abandon their cities and retreat. Zhuge Liang's strategy of "divided advance and united attack" achieved a brilliant victory and became a model for military strategists in later generations.
Usage
多用于军事领域，形容军队采取多路并进，集中力量攻击敌人的战术。
Mostly used in the military field to describe the tactic of an army advancing in multiple directions at once, concentrating its strength to attack the enemy.
Examples
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敌军采用分进合击的战术，企图各个击破我军。
dí jūn cǎiyòng fēn jìn hé jī de zhànshù, qǐtú gè gè jī pò wǒ jūn. wǒ jūn jiàngshì yīngyǒng fènzhàn, cuòbài le dírén de fēn jìn hé jī zhànlüè.
The enemy used a pincer movement to try and defeat our army piecemeal.
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我军将士英勇奋战，挫败了敌人的分进合击战略。
Our soldiers fought bravely and thwarted the enemy's pincer strategy.