Far form an open-book test, real life is a test that you can never get fully ready for and you can, by no means, retake it.

现实生活远非一场开卷考，它是一场你永远都无法完全准备好的考试，而且你根本无法补考。

youdao

Later,in the United States, some people would put a real chip on their shoulder as a test.

VOA: special.2010.01.17

So, you didn't know at the beginning, you knew you were enrolled in the trial, they gave you a shot, you didn't know whether you were part of the real group that got the test vaccine or the placebo group that got the control; turned out that Bonnie was part of the control group.

一开始你可能不清楚全过程,你只知道你参与了一项试验,他们给你打了一针,你不知道你是属于接种了,试验疫苗的真实试验组,还是属于被注射了安慰剂的空白对照组,结果显示,邦妮属于对照组

耶鲁公开课 - 生物医学工程探索课程节选

"I thought that sooner or later one thing was sure to happen: The first real test once he was through school would ruin him.

VOA: special.2009.01.03

Entrepreneurs can test real demand, and collect startup capital, for hypothetical products through their own custom sites without giving up customer data and high fees to Kickstarter or Indiegogo.

FORBES: The Crowdfunding API Is Here: Welcome To A New Era Of E-Commerce

This was Dayton's first real test, a real challenge on several fronts, and I believe that we passed the test, but it wasn't easy.

CENTERFORSECURITYPOLICY: Center For Security Policy

The board is going to face a real test from a real activist in Loeb.

FORBES: If You Liked Yahoo! with Einhorn at $18, You'll Love Yahoo! with Loeb at $14