An out of control trolley is heading down a track toward five unsuspecting people and will surely kill them all.

有一辆失控有轨电车朝着五位毫不知情的人们的轨道失去，一定会将他们都压死。

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Each time it cools down, you offer more opportunities for the harmful bacteria to multiply, it harder to kill them all off the next time you stick them in the oven or microwave.

每一次食物凉下来，都会给有害细菌成倍的机会，这会使得下一次你把它们放进烤箱或微波炉加热的时候，全部细菌更难。

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But it is also my job to help them kill off all the bad ideas we generate, and most of the good ideas, too.

但我的工作同样也包括帮助他们放弃那些馊主意，以及大部分的好主意。

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"I guess it was a process of waking up to what I was actually doing and just as I am helping set up all these memorials out here, I think back to some of the things that were part of my day to day life in the military even before I got to Iraq, just how some of our battle cries would be things like kill them all."

VOA: standard.2010.03.20

At one point, he said, Serb soldiers fired over their heads and threatened to kill them all.

CNN: Survivor: Mladic directed mass killing

Traditional pesticides kill them all.

FORBES: Green Genes

Now you have to allow the police eventually, if they think somebody's going to kill them or try to kill them, to be able to act with all the expertise they have in self-defence and they're trained not to kill somebody but to disarm them and disable them, perfectly proper.

BBC: News | BREAKFAST WITH FROST | Liberal Democrat Home Affairs spokesman Simon Hughes