How many times have you tested this?

你们测试了多少次？

How many times have you tested this?

你们测试了多少次？

The kids are all going to be timed, tested and ranked against each other.

所有的学生都将经过计时测试，排出名次高低。

Stuff that I'm put in red means that last time I tested myself on this, I didn't know how to do it.

被标记为红色的内容意味着上次我测试自己的时候是不知道怎么回答的。

To 10x your intelligence, you have to expand your mental toolkit by taking in new and challenging information and it's best to start with information that is time tested.

要想使你的才智提升 10 倍，你必须通过吸收新的、具有挑战性的信息来扩展你的思维工具箱，最好从那些经过时间考验的信息起步。