There was a purple mark on it that looked like four small fingers and a little thumb.

VOA: special.2009.05.30

People differ to the extent it will hurt them to watch me slam my thumb with a hammer.

不同的人看到我用锤子打拇指,会感受到不同程度的痛苦。

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So-- if you don't feel comfortable doing it, don't do it-- what I'd like to do now is as following: Take your thumb and your middle finger and create as much as possible a 90 degree angle.

感觉不舒服的，就不要做，希望按下面的指示做：,让你的姆指和中指,尽可能形成一个直角。

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