秒杀就是以压倒性优势一招致命；在极短时间（比如一秒钟）内解决对手，或者称瞬秒（瞬间秒杀），相应的英文表达为：seckill，也可以直译为instant kill。该词最早出现在网络游戏里，形容一瞬间杀死一个游戏角色之快。

       如今，秒杀已经成为网上竞拍的一种新方式，即：网络卖家发布一些超低价格的商品，所有买家在同一时间进行网上抢购。由于商品价格低廉，往往一上架就被抢购（panic buy）一空，有时只用一秒钟。在这种语境下，我们也可用instant buy或flash buy来表达“秒杀”这个概念。目前，在淘宝等大型购物网站中，“秒杀店”的发展可谓迅猛。

       请看相关英文解释：

The word "seckill" comes from the online game Legends. It is used to describe the strength of a senior warrior named Flaming Sword. He can kill an enemy within a few seconds. It has recently become a popular word used by game players, meaning defeating your enemy in seconds.

When associated with online shopping, "seckill" refers to the quick sell out of newly-advertised goods. If you look at the transaction record, you will find that each of the transactions is made in seconds. It sounds inconceivable but is the naked truth. This is called "seckill."

Dozens or hundreds of pieces of clothing are sold out within a few seconds and those who have not obtained a garment feel vexed. "Seckill" is the most popular online shopping method at present. This shopping mode is so named for its speed. Many garments, shoes and bags popular among youngsters are often "seckill" targets. Low prices, fashionable styles and limited editions are often associated with commodities which are "seckilled."

       去年4月，肯德基“秒杀门”事件可谓满城风雨，投诉肯德基出尔反尔取消优惠活动的帖子遍布各论坛。据网友反映，人们从网上辛苦秒杀回来的半价优惠券，突然被肯德基单方面宣布无效。“秒杀”已成为商家促销的噱头。请看报道：

Fast food chain Kentucky Fried Chicken is facing a consumer relation issue in China. Many Chinese customers vented their anger against KFC after the chain restaurant refused to honor its online coupons.

Tuesday evening, upset customers converged on a KFC outlet in Nanjing's Jiangning District. They were holding a coupon that had been offered online by KFC.

With the coupon customers were supposed to be able to purchase a 64 yuan Family Bucket meal for half price.Everyone around the country could seckill the coupon on Tuesday. But after successfully snapping it up and printing it, many customers only to find they couldn't use it.

—— Excerpt from Customers angered as KFC rejects online coupons

       （来源：中国网学英语频道）