在游戏开始前，他们用围巾蒙上了我的眼睛。

Before the game started, they used a scarf to ___blindfold me.

孩子们在玩捉迷藏时用布条蒙上眼睛。

The kids used a ___blindfold to cover their eyes during the hide-and-seek game.

在没有充分了解市场的情况下投资，就像蒙着眼睛走路一样危险。

Investing without understanding the market is like walking ___blindfolded into danger.