摆架子，装腔作势：做出炫耀的表现，假装自己非常时尚或富有。
... every dog has his/its day 十年风水轮流转 put on the dog 摆架子，装腔作势 teach an old dog new tricks 教老狗学新把戏，让守旧的人接受新事物 ...
... let sleeping dogs lie 勿惹是生非 put on the dog 装腔作势、摆臭架子 throw something to the dog 把东西扔掉 ...
摆架子；装腔作势
This girl likes to put on the dog.
这个女孩喜欢摆阔气。
When he saw us, he began to put on the dog.
他一看见我们就开始摆架子。
The Whites settled down, bought a house and put on the dog.
怀特一家定居下来，买了房子，大摆其阔。
When the airline realized the dog had been put on the wrong flight, immediate steps were taken to return Hendrix to his owner, she said.
Jocelyn and I put on our dog collars and safety pins in the bathroom.
But nobody took the time to put a tag on this dog, and my point is, that tells you something.