掉头diào∥tóu 1.(人)转回头{(of people) turn around}: 他掉过头去,装作没看见。{He turned away, pretending not to see it.} 2.(车、船等)转成相反的方向{(of vehicles, boats, etc.) turn about; turn around; veer about}: ～车{returned bus}|胡同太窄,车子掉不了头。{The lane is too narrow for the car to turn around.}也作also调头{diào∥tóu}。