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

不擅长用脑计算，也就是心算。

But I got pretty good at it as a barman.

做酒保时很擅长心算。

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

欧维看起来就像在心算一共几个月。

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

答对这些问题既需要财务词汇知识，也需要进行心算能力。

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

心理学家一直在试图弄清楚为什么心算能让汗流浃背。

Did some quick mental math and tried to get.

做了一些快速心算并试图得到。

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

然后他必须大声做具有挑战性心算。

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

“莱佛士先生，”经理在心算之后宣布道。

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

理解一个词所需大量心算，将是荒谬。

So I'm not going to try anymore.

所以还是死了这条心算了。

I can add up in my head quite easily.

【add】做心算加法很轻松。

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

【reckon】帕特在心算所有花销。

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

在心算，想弄清楚面食是什么。

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

吉尔伯特·布莱斯在课堂上把她拼写得很差，并在心算时让她远离视线。

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

特别在心算上挣扎，这可能是最糟糕数学，因为它应该是最简单。

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.

他表示，这种公式能够更准确地计算狗狗年龄。他新方法需要比简单心算稍微复杂一点方法来计算狗狗年龄。

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，在做心算时最大困难是侵入性想法，它模糊了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技术来了解如何进行心算，以及谁最有可能最终做出与其他人相同选择以及原因。

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.

恐怕帮不了他多少忙；说实在，要是他算起账来，会完全碍事，因为从来不会心算。