插门 meaning in Chinese

vaulting box

She even allows me to lock the door to my room while i am meditating . for years , she had never let me bolt the door and would enter whenever she liked , causing my heart to pound fiercely . however , immediately after i received initiation from master , she changed completely
这可是这么多年的禁忌，以前无论如何是不可插门的，她随时进来，弄得你心脏砰砰跳，可是一和师父印心，她就完全变了，她天天笑啊，笑啊，也许她自己都不知道为什么那么高兴。