She began shuffling the cards, but threw them down suddenly.

她开始洗牌，但突然把牌扔了下去。

Some casino will use what's called continuous shuffle machine, where they have a machine that shuffles the cards continuously.

一些赌场会使用所谓的连续洗牌机，他们有一台连续洗牌的机器。

She ran her hand through her hair and then nervously shuffled the cards.

她用手梳理头发，然后紧张地洗牌。

When that didn't calm her down, she shuffled the cards again and again.

当这并没有让她平静下来时，她一次又一次地洗牌。