鼠妈妈带一群小鼠出去玩，忽遇壮猫。小鼠均吓得四散逃窜。只有鼠妈妈纹丝不动。壮猫不解，徐徐靠近。不料鼠妈妈大叫一声："汪！汪！"猫大惊，离去。待小鼠们返回，鼠妈妈语重心长地告诫:"Now you see, how important it is to master a foreign language!"