blindfolding是什么意思？

A blindfold is a strip of cloth that is tied over someone's eyes so that they cannot see.

If you blindfold someone, you tie a blindfold over their eyes.

If someone does something blindfold, they do it while wearing a blindfold.

If you say that you can do something blindfold, you are emphasizing that you can do it easily, for example because you have done it many times before.