Lol几杀用英语可以翻译为"How many kills did you get in the game?"。这个短语来源于游戏界，通常用来提问对方在游戏中的击杀数量。一些例句如下：

Hey, lol几杀了？

我刚才一共有三杀。

好厉害，我还没有击杀。

在英文中，这些例句可以翻译为：

Hey, how many kills did you get in the game?

I got three kills in total just now.

That's impressive, I haven't gotten any kills yet.