让被挠痒的人处在一种几乎无反抗力的状态之中， 同时恣意让人承受着极度乐趣和极度痛苦的交叉。

While putting the tickled person into a quite defenseless state, it gives the power to arbitrarily induce any mixture of extreme pleasure and pain.

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前者是无害的乐趣，而后者则是出于年轻人极度渴望交朋友的心态，只会令人难堪。

The former is usually harmless fun. The latter is a recipe for embarrassment and bad decisions by young people bloody desperate to make friends.

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