['hedʃeik]
n.
(表示拒绝、否定、蔑视、 悲伤等的)摇头

[ noun ]
the act of turning your head left and right to signify denial or disbelief or bemusement
<noun.act>
I could tell from their headshakes that they didn't believe me

Headshake \Head`shake`\ (-sh[=a]k`), n.
A significant shake of the head, commonly as a signal of
denial. --Shak.