This is also an expression used to show a feeling like surprise or disappointment.

VOA: special.2010.02.07

I just want to remind you, if I wanted to, for example, type in an expression like that, notice the syntactical form, it's an expression, a number, followed by an operand, followed by another expression.

我想要提醒下大家，如果你想要，例如，输入一个这样的表达式，注意语法形式，这是个表达式，一个数字，后面是一个运算对象，后面是另外一个表达式。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's expression and it's like art, you know.

这是一种表达，像艺术，嗯。

你如何看待纹身？ - SpeakingMax英语口语达人

seems like the perfect expression of pride in country.

VOA: special.2009.07.27

I know you'd like to give me other things, other expression, somebody give me a number.

表达式什么的，谁给我一个数字？,没有么？谢谢！很不错的数字。

麻省理工公开课 - 计算机科学及编程导论课程节选

For Singapore...Sorry, I'm sorry... No, no..it's just like the... ? How does that American expression go?

对于新加坡来说。。。对不起。,不，不，我想问。,美国是怎么宣称的？

普林斯顿公开课 - 国际座谈会课程节选

So the result is we can combine all of these as a single differential, and just like we've seen before, what that suggests is that we define another new quantity given by this expression.

结果就是我们能把所有的结果,整理成一个单一的微分，就像我们前面看到的一样，这说明我们可以利用这个式子,定义一个新的物理量。

麻省理工公开课 - 热力学与动力学课程节选

And in Python the expression is, operand, operator, operand, when we're doing simple expressions like this, and if I give it to the interpreter, it gives me back exactly what you'd expect, which is that value. OK?

在Python中表达式就是，运算对象，操作符，运算对象，当我们处理这样的简单表达式的时候，我把表达式传给处理器，处理器给我返回了我想要的结果，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选