reality check

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So, in a sense, we want her to break the date because it gives us a fantastic reality check.
在某种意义上，我们希望她取消约会，因为这给了我们一次奇妙的现实检验。
Reality check: I have never heard anyone procrastinate their way to success before and I doubt it’s going to change in the near future.
现状核实：我以前从未听说过有哪个拖延的人取得成功的，我怀疑将来他们也不会成功。
We had our first reality check at Pyongyang airport, when our mobile phones were confiscated. This evidence of total state control was immediate and shocking.
我们在平壤机场第一次接受现实的检查，我们的手机都被没收了，这种完全的国家控制行为直接而令人震惊。

She is also his emotional and spiritual guide, the one who provides a reality check for him.
All right, so let's just do a reality check here.
好，让我们来做一个现实性的检验。
麻省理工公开课 - 热力学与动力学课程节选
Coming after a week of almost-universally upbeat economic data that buoyed U.S.markets, Wednesday's more-somber news is a reality-check, according to Alan Brown of Schroders, an asset management company.

Taken together the three treatments provide a wealth of context, and the occasional reality check.
FORBES: The annotated State Of The Union(s)

an occasion that causes you to consider the facts about a situation and not your opinions, ideas, or beliefs

If you say that something is a reality check for someone, you mean that it makes them recognize the truth about a situation, especially about the difficulties involved in something they want to achieve.