吠形吠声fèi xíng fèi shēng《潜夫论·贤难》: ‘一犬吠形,百犬吠声。’{According to A Hermit's Discourses·Misfortune of a Virtuous Man, ‘When one dog barks at a shadow all the others join in.’}〈比喻fig.〉不明察事情的真伪而盲目附和。{slavishly echo others without really knowing whether they are right or wrong;}也说also吠影吠声{fèi yǐng fèi shēng}。