Thumbs touching
拇指触碰
When the hands are together and the person is playing around with their thumbs, whether it’s using one to massage the other or by having them twirl around each other in circles.
双手握在一起，玩弄自己的拇指时，不管是用一根拇指揉擦另一只手，还是来回绕圈。
This is a pacifying behavior that is often used when people are feeling a bit anxious or stressed out.
这都是一种安抚行为，人们感到焦虑或压力大时会做这类动作。
It is also used as a way to pass time while waiting for something.
人们在等待的时候，也会这么做来打发时间。
Finger closeness
手指并拢
When someone feels scared or concerned, they will instinctively bring their fingers closer together,
某些人感到害怕或担心时，会本能地把手指并在一起。
closing the gaps that naturally exist between fingers.
闭合手指间自然存在的间隙。
Sometimes they will even close their hands into a fist.
有时甚至会把手握成拳头。
This is a natural response to any perceived threat.
这是对威胁感知的一种自然反应。
Our body wants to reduce the chances of injury to any of our fingers.
我们的身体想要减少任何一根手指受伤的几率。
If we were to get into a fight, it’s also common to see people hiding their thumbs under their fingers just like how dogs tuck their ears down when scared.
如果准备开始打仗了，人们经常把拇指藏在其余手指后面，就像狗在受到惊吓时把耳朵藏起来一样。
Thumb distance
拇指距离
On the other hand, this rule applies the other way around especially when it comes to the thumb.
另一方面，当谈到拇指的时候，手指并拢这条规律反过来同样适用。
The more distance there is between the thumb and the other fingers, the more confident someone is currently feeling.
拇指和其他手指之间的间隔越大，就会越自信。
解析在这里哦！
1.pacifying，形容词，来源于单词pacify，表示“安抚”，比如：Is this a serious step, or is this just something to pacify the critics?（这是个严肃的步骤呢，还是仅仅用来取悦批评者的？）
2.instinctively，副词，表示“本能地”，比如：He realized instinctively that simply training harder would never be enough.（他本能地意识到，仅仅加强训练是远远不够的。）
3.perceived，形容词，来源于单词perceive，表示“感知到”，比如：Students must perceive for themselves the relationship between success and effort.（学生们必须自己去认识到成功与努力之间的关系。）
4.tuck，动词，表示“把……塞入”，比如：He tried to tuck his flapping shirt inside his trousers.（他试图把飘动的衬衫塞进他的裤子里。）
