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Sheldon：All right, what if we use this twoinch PVC
好的，如果我们用这两英尺的聚氯乙烯

to reinforce the center crosssupport?
来改造中心支撑结构怎样?

Howard：No good.
不行。

It might work for the Japanese and the Americans,
那可能会对日本人和美国人有用，

but have you seen the size of the Russians they got up there?
但你见过他们弄上去的俄罗斯人的块头吗?

This thing has to hold up against a hearty potatobased diet.
这东西得能撑住那些狂吃土豆的家伙。

Leonard：I feel terrible.
我感觉很糟糕。

Howard：Maybe if you were helping, you'd feel better about yourself.
如果你能帮忙的话可能你会感觉好一点。

Leonard：I deliberately tried to sabotage Stuart's date with Penny.
我故意破坏Stuart和Penny的约会。

Raj：Of course you feel terrible. You completely screwed up your karma.
你当然会感觉很糟糕啦，因果轮回要糟报应了。

Sheldon：You don't really believe in that superstition, do you?
你不会真的相信那鬼话吧?

Raj：It's not superstition. It's practically Newtonian.
这不是迷信，这其实是在信仰牛顿 (牛顿也是神学专家)。

For every action, there's an equal and opposite reaction.
对于每个动作都有一个平等的对立的反应。

Leonard pretends to be a friend and acts like a twofaced bitch.
Leonard假装是朋友而实际上则是个两面三刀的贱人。

Therefore, he is reborn as a banana slug.
所以他会转世投胎成一个香蕉虫。

It's actually a very elegant system. You know, what goes around comes around.
这其实是个很好的系统，对吧，一报还一报。

重点讲解

What if…?的三种用法

1. 表示假设

what if 用于提出假设时，意思是假若……假若……怎么办要是……将会怎么样，其后句子可用陈述语气（用一般现在时），也可用虚拟语气（用一般过去时或should+动词原形）。如：
What if she finds out that you’ve lost her book? 如果她发现你把她的书丢了怎么办?
But what if somebody decides to break the rules? 但是如果有人决定打破这些规则呢？
What if it rains when we can’t get under shelter? 假若下起雨来，我们又没处避雨可怎么办?

从句用虚拟语气时，若是针对过去情况，从句则用过去完成时。如：
What if no one had been there? 假如没有人去过那里的话，会怎么样?

2. 表示邀请或建议

What if…表示邀请或建议时，意思是如果……怎么样？如果……如何？。如：
What if you join us for lunch? 同我们一起吃午饭怎么样？
What if we moved the sofa over here? Would that look better? 要是我们把沙发挪到这边来会怎么样？看上去会不会好一些？

3. 表示不重要

此时通常常与so连用，意为就算……那又怎样？如：
So what if we're a little late? 就算我们迟到一会儿那又怎样？
So what if the colours clashed? 就算颜色不协调那又怎样？

注：若句意清楚，so what if…有时可省略成so what? 如：
A：I'm afraid it's too expensive. 恐怕太贵了。
B：So what? We've plenty of money. 那有什么关系? 我们有的是钱。

PVC：聚氯乙烯

hold up：v. 举起，阻挡，耽搁，支撑
He held up his hand in amazement.
他惊骇地举起了手。
Nothing can hold up our progress.
什么也不能阻挡我们取得进步。
The application has been held up by red tape.
申请被官僚的繁文缛节所耽搁。
This nail will not hold such a heavy mirror.
这个钉子支撑不住这样重的镜子。

sabotage：阴谋破坏
They tried to sabotage my birthday party.
他们企图破坏我的生日晚会。
The rebels had tried to sabotage the oil pipeline.
反叛者试图破坏输油管道。

karma：【宗】羯磨(梵文译音), 决定来世命运的所作所为; 因果报应

Newtonian：信仰牛顿学说的人

slug：蛞蝓(俗称鼻涕虫, 类似蜗牛的无硬壳动物)
　　
what goes around comes around：一报还一报