pincer movement
noun [ C usually singular ] uk/ˈpɪn.sə ˌmuːv.mənt/ us/ˈpɪn.sɚ ˌmuːv.mənt/
（军事进攻中的）钳形围攻
a type of attack in which two parts of an army follow curved paths towards each other in an attempt to surround and then defeat the enemy