to strike for the goal in sports or to challenge for a championship title

在比赛的最后一分钟，他带球破突，起脚叩关。

to launch a military attack on a strategic pass or invade a territory

敌方铁骑再次叩关，边境将士严阵以待。

verb · to knock at the gate or seek entry, often used in historical contexts regarding trade or diplomacy

西方列强多次叩关，要求清政府开放更多的通商口岸。