A security guard told her that the neighborhood would be locked down that day and suggested she " think twice."

一名保安告诉她，当天小区将被封锁，并建议她“后行”。

Not only might you think twice about how you're making money but it only makes sense then to make as much money as possible for that hour of your life that you're trading for it.

你可能会对如何赚钱后行，但只有这样，你才有可能在你生命中交易的那一个小时里赚到尽可能多的钱。

" Look before you leap" is a warning against people acting rashly.

“后行”这条谚语是告诫人们不要鲁莽行事。

And that way, your enemies will think twice before taking advantage of you.

这样，你的敌人在利用你之前就会后行。

So, to sum up, there seems to be a number of activities that enable people to reuse waste, but the substantial problem is encouraging people to think twice about taking their waste to a flea market instead of throwing it away.

所以，总言之，似乎有许多活动可以让人们重复使用废物，但实质性的问题是鼓励人们后行，把他们的废物带到跳蚤市场，不是扔掉。

Now, if you don't have any qualms about walking past storm drains along the sidewalk, this next story getting a 10 out of 10 might make you think twice.

现在，如果你沿着人行道走过排水沟没有任何不安，那么后这一分钟的新闻可能会让你后行。

If the country has learned anything since 2016, it is to look before it leaps.

自2016年以来，如果说英国学到了什么，那就是后行。

And sometimes, it's better to look before you leap.

有时，好后行。

They need to think before they act and make good decisions for themselves.

他们需要在后行，为自己做出正确的决定。

That might make people think twice before buying unsustainably harvested products.

这也许会让人们在购买不可持续收获的产品时后行。

So if you think that's a groundbreaking proposal I suggest you think you again.

因此，如果你认为这是一个开创性的提议，我建议你后行。

You'd better look before you leap. I don't think you really understand the situation.

你好后行。我觉得你还没真的了解状况。

For all their faults, student loan programs do warn students to look before they leap.

学生贷款项目尽管存在种种缺陷，但确实也在提醒学生后行。

He says scholars may now have to think twice before speaking their minds.

他表示，现在学者在表达自己的想法之前可能要后行。

No, no, um...I do. It's just that I can't help being cautious.

不，不，不，我也爱你。可我必须后行。

I think twice about going anywhere honestly.

老实说，去任何地方之前我都会后行。

Of course you must, but I wish you'd think seriously before you do.

当然了，但我希望你后行。

For example, before you say something rude out loud, you should think twice.

例如，在你说出一些粗鲁的话之前，你应该后行。

If you live in a city and you see that the mayor is using robotic systems or drones or artificial intelligence to watch the city, you are gonna think twice perhaps about going to a protest.

如果你住在一个城市，你看到市长正在使用机器人系统或无人机或人工智能来监视这个城市，你可能会后行，也许要去抗议。

It serves to you know kind of you know have the journalists think twice, before they print anything or you know they express what they feel is the story that's going on.

它有助于让记者在发表任何内容，或表达他们认为正在发生的事情之前后行。