should

You shouldn't drink and drive.

你不该酒后驾车。

Contrary to existing research that says you should avoid eating with heavier people who order large portions, it's the beanpoles with big appetites you really need to avoid.

某些现有研究表明，你应该避免与那些食量大的肥胖者一起吃饭，但事实并非如此，你真正需要避开的是那些食量大的瘦子。

You're the only person you should be comparing yourself with.

你是唯一应该和你自己比较的人。

Should I call him and apologize?

我是不是应该打电话向他道歉？

How many more chairs should I bring in for the forum, six or seven?

我应该为论坛多带多少把椅子，六把还是七把？

In the last five years or so, when someone says, "Should I attempt to get an MBA," the answer a lot more is: It depends.

在过去五年左右的时间里，当有人问“我是否应该尝试获得工商管理学硕士学位”时，答案更多的是：视情况而定。

We should arrive before dark.

我们天黑以前应该能赶到。

On two separate morning visits to the scientists' lab, each man walked for an hour at an average speed that, in theory, should allow his body to rely mainly on fat for fuel.

两人分别于两天早上拜访了科学家实验室，每人走了一小时。理论上，在他们的平均步行速度下，脂肪应该是其身体的主要能量来源。

I've saved my tips for my waiter job these past few months and I should have enough by July.

过去的几个月里，我一直攒着服务员工作的小费，到7月份就应该足够多了。

The bus should have arrived ten minutes ago.

公共汽车十分钟以前就该到了。

You should have renewed it two weeks ago.

你两个星期前就该更新了。

Anyone who didn't know this before should have learned that bad things can happen.

任何以前不了解这一点的人都应该明白，不好的事情是有可能发生的。