1.copy cat盲目的模仿者2.let the cat out of the bag.说走了嘴, (无意中)泄露秘密 3.a scaredy cat胆小鬼 4.cat got your tongue? 为什么不吭声？（美剧中经常出现）5.let the cat out of the bag泄露秘密6.cat burglar身手敏捷的贼/飞贼 7.catnap=short nap瞌睡
