kill off

基本解释

But it’s not clear that they’ll ever kill off all desktop applications entirely.
但是目前不清楚它们是否会永远彻底的消灭桌面应用。
Sarah was recently quoted in a French magazine saying that she was "sad," "shocked" and felt "deceived" by the decision to kill off the character.
提问：最近在一家法国的杂志上引用萨拉的话，说她对自己的角色被杀感到“很难过”，“震惊”以及觉得“被欺骗”。
This is to make sure you kill off as much of the bacteria as possible the first time around.
这么做是确保在第一轮的时候就尽最大可能的去消灭所有的细菌。

The researchers say their findings support the idea that a huge explosion or explosions caused fire and pressure powerful enough to kill off life on the Earth.
So if you're curious this one I'm gonna kill off - because it will take a little while-- you'll find that available on the cloud if you'd like to experiment whether or not you're doing that edition or the other.
由于时间关系，我就现将其关闭,如果大家觉得好奇-,可以自己尝试一下,不管你是否选择将这个版本作为,实验内容。
哈佛公开课 - 计算机科学课程节选
"Our anticipation is that it will be another seven to ten days to complete all of the preparations that we need to exercise this option and then at that point, we'll pump the kill mud and hopefully have this well killed, and well shut off, and the flow shut off."

More importantly, security is absolutely critical if Pagenonce really wants to kill off the checkbook.
FORBES: Pageonce: An App That Wants to Kill Off The Checkbook

&rarrsee kill
If you say that a group or an amount of something has been killed off, you mean that all of them or all of it have been killed or destroyed.