The team has been playing well so far, but tomorrow's game will really put them to the test. [=will really test them]到目前为止，该队一直打得很好，但明天的比赛将是对他们真正的考验。

A trip through the desert will put the truck to the test.穿越沙漠的旅行将是对卡车的考验。

We decided to put the idea/theory to the test [=to test the theory] with a little experiment.我们决定进行一项小实验，来验证这个说法/理论。