crasher

基本解释

Large numbers of shoppers attempt to log on to the retailer’s site to take advantage of the door-crasher specials.
大量的购物者会尝试登录零售商网站，以获得顾客折扣。
Promotions include those commonly called “door-crasher specials”, which are promotions providing special discounts to the first online shoppers to enter the site after the start of the event.
促销活动包括通常所谓的 “意外顾客折扣”，这是一种为在活动开始后访问网站的首次在线购物者提供特殊折扣。
Given the distance between my previous role as a convention gate-crasher and my newfound role as convention keynoter, I had some cause to worry that my appearance in Boston might not go very well.
我在上届大会的角色是擅闯会场者，而这届大会是主要发言人，由于这两个角色的巨大差距，我有一定的理由担心，我在波士顿的登场也许不会十分成功。

Sure, the crasher who stole the mic from the All-American Rejects brought a smile to our faces, and the many jabs at celebutante Paris Hilton made us giggle, but we wanted more.
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