funny bone
noun [ C ] informal uk/ˈfʌn.i ˌbəʊn/ us/ˈfʌn.i ˌboʊn/
(肘部的)尺骨端,鹰嘴突(被撞击时会发麻)
the outer part of the elbow (= the middle part of the arm where it bends). Your funny bone can hurt a lot if it is knocked.
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