The act of swimming naked is informally called skinny dipping.

裸着游泳这种行为被通俗地称为裸泳。

Of course, speaking informally goes beyond word choice.

然，非正式语言不仅限于词语选择。

If other people around you are speaking informally to each other, you probably shouldn't try to sound very formal.

如果周围的人在非正式地交，也不要听起很正式。

Even when it's reduced and spoken informally -- or slang if you'd like to -- we have to be very careful, when you're reducing words, that your grammar is still okay.

这种算是不正式的吞音-或者如果喜欢说，也可说成是俚语-我们还是得仔细一些，在吞音的时候，的语法也得是对的。

From 1942 to 1946, it began to be informally called the State of the Union Message or Address, and since 1947 it has officially been known as the State of the Union Address.

从1942到1946，它开始被非正式地称为国情咨文或演讲，随后自1947，它被正式成为国情咨文。

We use the phrase dying for informally when someone really wants something.

我们非正式地使用“dying for”这个短语形容某人非常想要某样东西。

To pig out is to eat too much of something, very informally.

Pig out 是指吃太多东西，非常非正式的短语。

Beth, is there anything that you've learnt to do informally?

贝丝，有没有学过什么非正式的东西？

OK, but what if you want to greet someone informally?

好了，但是如果想非正式地问候别人该怎么做呢？

The uncertainty between the two words probably comes when we use " house" informally.

但我们在非正式场合下使用" house" 时，这两个词之间的不确定性可能会出现。

Or more informally, we simply say we are shocked or blown away.

或者更非正式地，我们就简单说" shocked（震惊）" 或者" blown away（震惊）" 。

For Americans, the holiday also informally marks the end of summer.

对于美国人说，这个节日也非正式地标志着夏天的结束。

It is important to know that we only use this expression informally.

重要的是要知道，我们只在非正式场合使用这个短语。

And they might have you know a three-month visa, they may be informally employed.

他们可能只有三个月的签证，可能是非正式雇佣的。

But when we're speaking casually and informally, we often don't say them, just like Americans.

但是我们随意或非正式地说话时，我们通常不会发 t 音，而是像美国人样说。

Now people in Thailand have a more convenient way to informally report corruption.

而泰国的人们现在有了一种更加便捷的方式可匿名举报行贿受贿情况。

Another way to say it very informally is " I owe you one! "

我欠一份人情！

At the moment I work from home so I tend to dress fairly informally.

目前我在家工作，因此我倾向于穿得比较随意。

But when we're speaking informally, we often use the simple past.

但是我们在非正式场合说话时，我们通常会使用一般过去时。

But informally, we call it " snot" .

我们有个不正式的说法，叫 snot。