You got to fiddle with the switch, but it works.

你得注意拨弄一下开关，但还是好用的。

To find out, they started to fiddle with friction.

为了找出答案，他们开始不断调试摩擦力。

Then she tries to fiddle with Ove's radio to find " a more entertaining station."

然后，她开始调欧维的电台来“找个有意思的频道”。

We have to fiddle with chemistry too.

我们也必须摆弄化学。

You have to fiddle with it.

你得对它有耐心些。

Nobody dared to fiddle with his things, such as his fig or filament.

没人敢乱碰他的东西，比如无花果或是灯丝。

Taking the box home, you begin to fiddle with it, and discover that pieces of it can be moved around and reconfigured.

把盒子带回家，你开始摆弄它，发现它的各个部分可以四处移动和重新配置。

Tip number two is to fiddle with the speed to the point where it's fast enough, but also comfortable enough to be able to absorb the information and to learn it effectively.

秘诀二是调整速度到足够快的程度，但也要足够舒适，能够吸收信息并有效地学习它。