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.

当然，非正式语言不仅限于词语选择。

Or more informally, " Listen, I've got to be off."

或者更非正式地，“听着，先失陪了。”

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

Pig out 是指东西，非常非正式的短语。

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

贝丝，你有没有过什么非正式的东西？

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

好了，但是如果你想非正式地问候别人该怎么做呢？

And that's one of the really useful ways of saying " goodbye" informally.

这是非正式地的一个非常有用的方式。

It's an expression we use informally to say something disastrous has happened.

这是一种表达方式，我们用这种非正式表达来形容发生了不幸的事。

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

但当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" shocked（震惊）" 或者" blown away（震惊）" 。

We use 'catch' to say goodbye informally.

我们使用“catch”来表达非正式的。

Initially many of these transactions happened informally over social-messaging apps.

最初，许此类交易都是通过社交通讯应用非正式进行的。

More informally, you can also get into something.

更非正式地，你也可以投资一些事情。

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

对于美国人来，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.

但是当我们随意或非正式地话时，我们通常不会发 t 音，而是像美国人那样。

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以匿名举报行贿受贿情况。

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

我欠你一份人情！

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。