Others like greyhounds tuck their tails.

还有些狗，比如格雷伊猎犬，它们的尾巴是夹起来的。

Most often, cats tuck their tails between their paws when they are afraid of something or someone.

大多数情况下，当猫害怕某件事或某个人时，会将尾巴夹在爪子之间。