chameleon/kəˈmi:lɪən; kə`milɪən/ n1 any of various types of small lizard that can change colour according to its surroundings 避役（能变色的小蜥蜴）; 变色龙.2 (fig 比喻) person who changes his behaviour or opinions to suit the situation 改变行为或看法以适应情况的人.
牛津英汉双解词典