I wasn't good at doing sums in my head - you know - mental arithmetic.

我不擅长用脑计算，也就是心算。

But I got pretty good at it as a barman.

但我做酒保时很擅长心算。

Ove looks like he's counting the months in his head.

欧维看起来就像心算一共几个月。

Psychologists have been trying to work out why mental arithmetic can bring us out in a sweat.

心理学家一直弄清楚为什么心算能让我们汗流浃背。

Getting these answers right requires both a knowledge of financial vocabulary, and the ability to make mental calculations.

答对这问题既需要财务词汇的知识，也需要进行心算的能力。

The sheer amount of mental computation required to understand one word, would be ridiculous.

理解一个词所需的大量心算，将是荒谬的。

And then they have to do challenging mental math out loud.

然后他们必须大声做具有挑战性的心算。

Me doing the mental math to figure out what snacks are in front of me.

我心算，想弄清楚我面前的零食是什么。

" Mr. Raffles, " announced the manager after a mental calculation.

“莱佛士先生，”经理心算之后宣布道。

Did some quick mental math and tried to get.

做了一的心算并得到。

So I'm not going to try anymore.

所以我还是死了这条心算了。

I can add up in my head quite easily.

【add】我做心算加法很轻松。

Pat was reckoning up the cost of everything in her mind.

【reckon】帕特心算所有的花销。

Gilbert Blythe spelled her down in class and left her clear out of sight in mental arithmetic.

吉尔伯特·布莱斯课堂上把她拼写得很差，并心算时让她远离视线。

They say it more precisely determines canine age. Their new method requires a little more than simple mental arithmetic to work out a dog's age.

他们表示，这种公式能够更准确地计算狗狗的年龄。他们的新方法需要比简单的心算稍微复杂一点的方法来计算狗狗的年龄。

I specifically struggle with mental math, which might be the worst math to be bad at, because it should be the simplest.

我特别心算上挣扎，这可能是最糟糕的数学，因为它应该是最简单的。

Paul did the mental arithmetic, said: " That's three short." " Why don't they have two carryalls to each crawler? " barked the Duke.

保罗心算了一下， 说：“少了三个。 ” “他们为什么不为每个爬行者配备两个手提包？ ” 公爵咆哮道。

So, it turns out my biggest struggle while doing mental math are intrusive thoughts, clouding my memory and getting in the way of the right answer.

所以，事实证明，我做心算时最大的困难是侵入性想法，它模糊了我的记忆并妨碍了正确答案。

Researchers have developed sophisticated techniquesto understand how we do that mental math, and who's most likely to end up making the same choiceas somebody else and why.

研究人员已经开发出复杂的技术来了解我们如何进行心算，以及谁最有可能最终做出与其他人相同的选择以及原因。

I am afraid I could not help them much; indeed, if they came to accounts, I should be quite in the way, for I never could do sums in my head.

我恐怕帮不了他们多少忙；说实的，要是他们算起账来，我会完全碍事的，因为我从来不会心算。