A catalyst changes the speed of a chemical reaction without entering into it.

Some prefer not to go.

所以一些人根本不参与这个体系.

You mean you never do anything yourself?

你是说你自己从来都不参与?

Never take part in any vote-buying incidents.

不参与任何贿选或竞选丑闻.

I don't engage myself in such affairs.

我不参与这种事情.

They sat on the fence during the dispute.

在辩论时,他们两边都不参与.

The teachers sat on the fence during the dispute.

在讨论时,教师们两边都不参与.

However, these opportunites mean nothing unless you get involved!

不过,如果你不参与, 这些机会就等于零.

Jack, to his credit , refused to get involved.

杰克好就好在拒不参与.

I determined to wash my hands of the whole business.

我决心不参与此事了.

Yet there was not a jot of sympathy when Bank of America said last September that 30,000 employees would be lopped off its payroll.

不过，当美国银行（BofA）去年9月份宣布将裁员3万人时，没有引起一星半点儿的同情。

Life has no purpose, it's everywhere undone by arbitrariness. I do this, and it matters not a jot if I do the opposite.

生命毫无意义，一切都是反覆无常。我做了某事或相反的事，分别其实不大。

Chicharito was unable to nab his customary goal-though he was incorrectly flagged offside as he bore down on goal late on-but the United striker cared not a jot.

小豌豆本场比赛没有能够取得进球，他多次掉入对方的越位陷阱，但是曼联前锋对此并不在意。

There's not a jot of truth in what he says.

他没有一句实话。

When the world is falling apart, it matters not a jot if your currency pays just a few basis points, your debt is twice economic output and you are on to your sixth prime minister in four years.

当世界分崩离析的时候，无论是你的货币只支付几个基点的收益，还是你的债务是经济产出的两倍，抑或是你将迎来4年来的第六位首相，这一切都无关紧要了。

Every year the award ceremony was the same-it seemed that not a jot little ever changed.

发奖仪式每年都一样&看上去没有一点点不同。

There is not a jot of evidence to say it does them any good

没有丝毫的证据显示这对他们有任何好处。

I have not a speck of interest in it.

我对它没有任何兴趣。

Thanks to the sand, there was not a speck of mud; thanks to the rain, there was not a grain of ashes.

多谢细沙，这里没有一点泥迹，幸亏雨露，这里没有一粒灰尘。

Not an iota of truth in the story.

所说的没有一点真事。

Mr. Collins, we have not an iota of proof in writing.

柯林斯先生，我们一点儿书面证据也拿不出来。5.