01 put on airs装腔作势，故意摆架子例：I find I can't stand for those who put on airs. 我觉得我不能忍受那些摆架子的人。
02 play dumb装糊涂例：Don't play dumb, I know you ate the last piece of cake.别装傻了，我知道是你吃了最后一块蛋糕。
《纸牌屋》里有句话：Don't play dumb with me. 别跟我装傻。
03 mutton dressed as lamb装嫩直译的话，是：老羊装扮成小羊。
就是“装嫩”的意思。
例：Do you think this dress is too young-looking for me? And I don't want to look like mutton dressed as lamb.你是不是认为这件衣服对我来说太嫩气？我不想打扮得像一个小姑娘一样。
04 all bark and no bite装厉害例：He always said he would make a fortune in the west but he's all bark and no bite.他过去总是说能在西部赚大钱但是他只是只说不做而已。