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

那个时代，礼仪是非常重要的，它是种无形的非正式的法律法系。

We can see that as is being used as a preposition to show comparison, and like is the informal equivalent.

我们能看奥，as被当做介词来表示比较，而like就是有同等功能的用于非正式场合的个词。

As with many rhyming compounds, nitty-gritty is informal.

和许多押韵复合词样，nitty-gritty是非正式用语。

You made a mess of this and you need to do better next time, informal.

你把这件事弄得团糟，下次你需要做得更好，非正式。

Now, 'hot air' is quite informal, isn't it?

现，hot air 是相当不正式的表达，不是吗？

Would you like an informal dinner with us tonight?

你愿意今晚和我们起吃顿便饭吗？

Slang is a type of informal language.

俚语是种非正式语言。

A " bookworm" is an informal name for someone who loves to read.

“书虫”是种对喜爱读书的人的非正式称呼。

Once in a blue moon is an informal phrase.

Once in a blue moon（千载难逢） 是个非正式短语。

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

我们搞了个非正式的投票。

This is very informal; it may be spontaneous (Hey! Let's break for coffee) or institutionalized (The coffee break in our office is from 3: 30-3: 50 daily).

这并不是很正式的；它也许是随兴而起的（嘿！咱们喝杯咖啡休息下），也有可能是制度化的（本公司的喝咖啡时间为每天下午3点半到3点50分）。

At an informal summit in Prague, von der Leyen underlined the need for the bloc to have joint gas purchases from next spring when the storage is depleted.

拉格举行的非正式峰会上，冯德莱恩强调，明年春天（天然气）储气罐耗尽开始，欧盟有必要联合购买天然气。

It looks freshly painted, a bright blue with white and yellow branding conspicuous in these otherwise grey muddy part of Mukuru, an informal settlement in Nairobi.

厕所看起来是刚喷的漆，鲜艳的蓝色搭配黄白相间的商标内罗毕非正式小村落穆库鲁灰色泥泞的环境中非常显眼。

Yeah, I can see what he means. It's considered pretty informal to text message someone.

嗯，我能理解他。给别人发短信的确感觉很不正式。

It's considered pretty informal to text message someone.

给别人发短信的确感觉很不正式。

You should only use them, very sparingly, when you're intentionally trying to be informal.

如果你有意想表现得很正式的话，那么就要少用它们。

And you will find one here, in both formal and informal settings.

这里，无论正式还是非正式的场合，你们都能找到适合自己的教育。

Its informal conversational style would make interaction comfortable, and yet the machine would remain slightly unpredictable and therefore interesting.

它那非正式的交谈风格会使互动变得舒适，不过这个机器还会让人有点捉摸不透，因此显得更加有趣。

Our own informal discussions with neighbours and friends led us to believe that many garden owners had interesting experiences to relate regarding wild animal sightings so we decided to survey garden owners from different areas of the city.

与邻居和朋友的闲谈中，我们发现很多花园的主人观看野生动物方面有些有趣的经历，所以我们决定调查城市不同地区的花园主人。

It can include just a small group presentation formal or informal, and it can also include just an introduction or a one-on-one conversation, with one other individual or a colleague or a manager.

也可以包括个正式的或非正式的小组陈述，它还可以是个简单的介绍或者个对的谈话，可能是和你的同事或是和你的经理。