How formal or informal is this expression?

这个表达非？

Look at these sentences and tell me if they're formal or informal.

看句子，然后告诉我非。

" Gig" is an informal way musicians talk about jobs.

Gig 音乐人提及工作一种非方。

So, we had an informal vote over there...

我们搞了个非投票。

It can be as formal or informal as you like.

和非都可以。

Now, you can have formal greetings or you can have informal greetings.

你可以用问候或者非问候。

This is a very informal way of saying, what are you doing?

这一种问你在做什么非常非表达方。

Maybe it would not have the quality of informal language Taupin was hoping for.

也许它就失去了陶平想要非语言质感。

An informal version is to be over the moon.

非说法“兴高采烈”。

So I have got 21 advanced alternatives, ranging from formal to informal.

所以我准备了21个高级替代表达方，从到非。

And maybe you're undertaking some less formal training.

也许你在接受一些非培训。

And the idea that came to me was through informal learning.

这个想法通过非学习产生。

This expression can also be an informal invitation.

这个表达也可以一种非邀请。

We have lots of informal ways to tell people to be quiet.

我们有很多非表达让人们安静。

They can be worn in both formal and informal situations.

它们可以在和非场合穿。

These are not informal, they're all fine.

这些都不非说法，都可以。

There are plenty of informal ways to describe this phenomenon.

有很多非方来描述这种现象。

In those days, etiquette was very important, an invisible informal system of law and regulation.

在那个时代，礼仪非常重要，它一种无形非法律法规体系。

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

贝丝，你有没有学过什么非东西？

We use 'catch' to say goodbye informally.

我们使用“catch”来表达非再见。