◎ 叩关 kòuguān
(1) [enter a country and request an audience]∶至关门求见
(2) [knock the door]∶叩门
(3) [attack a pass]∶攻打关门
百万之师,叩关而攻秦。—— 汉· 贾谊《过秦论》
(4) [shoot (at the goal)]∶指足球、冰球等运动中攻打球门
-----------------国语辞典敲门请求进入。《汉书．卷六七．梅福传》：「昔秦武王好力，任鄙叩关自鬻；缪公行伯，繇余归德。」也称为「扣边」。
攻打关卡，进犯他国。《文选．贾谊．过秦论》：「尝以十倍之地、百万之众，叩关而攻秦。」
英语 to knock at the gate (old)?, to make an approach, to invade, to attack the goal (sports)?