n.模仿；效法
adj.假造的；冒充的
Young children learn how to speak by imitation. 儿童通过模仿学说话。
He grew beards in imitation of the actor. 他为了模仿那个演员,蓄起了胡子。
His style is a slavish imitation of his teacher's. 他一味模仿教师的风格，毫无创意。
n.限制；限度；缺点
n.局限；不足之处
名词limitation的复数形式.
n.定界线；划界；限界
