Whenpeoplewanttoshowtheydon'tknowortheyhavenoidea,Englishmanusuallymovetheirshouldersorwiththeirpalmsup,Chinesepeoplejustshaketheirhandorhead.Forexample,ifsomeonewanttosignalapersontocomehere,asaBritishpeople,heorshewouldclenchtheirfistandmovetheindexfingerbackandforth,asaChinesepeople,heorshewouldmovethefingersbackandforthwiththepalmup.