If it's a squeeze to slip the cardboard inside, fold it a bit. Don't worry, it will flatten out and will still be supportive.

如果放入时有点紧可以将它稍微折弯一点，放心它还会展开的，不会影响支持效果。

youdao

We managed to squeeze six people into the car.

我们在那辆车上挤进了六个人。

《牛津词典》

Many Americans treat lunch not as a break but as just another task to squeeze into an already over-booked day.

许多美国人不把午餐当作休息，而是把它当作另一项任务，挤进已经安排得满满的一天里。

youdao

Squeeze about five to seven centimeters off each branch.

VOA: special.2010.06.29

You've got to squeeze absolutely everything out of it, and so it was ideal from the standpoint of teaching and was, it seems to me, also wonderfully galvanizing intellectually because it really did make people think: "look how intricate what I thought was simple turns out to be."

你得完完全全把东西都挤干净了，正因如此，从教学本身的立场来看，这就是理想状态了，而在我看来，它能使人如醍醐灌顶,因为它真的在引导人们思考：,“我想象得很复杂的东西原来是这么简单的一回事儿啊！“

耶鲁公开课 - 文学理论导论课程节选

We'll squeeze the middle to make them be more B's.

我们这样压缩会使更多的人得到B

耶鲁公开课 - 博弈论课程节选

Amazon is determined to put book publishers out of business and squeeze to death brick and mortar book sellers.

FORBES: Apple Ain't The Next Polaroid

The result is their F2P solution is forced to squeeze to tightly.

FORBES: Connect

So there may be more than a billion people who call themselves Catholic, but if they all turned up to Mass this Sunday, there would probably be a bit of a squeeze to fit them all in the pews.

BBC: How do you count Catholics?