1. play the peacock : 炫耀自己；
名词
1. 孔雀
A peacock is a large bird. The male has a very large tail covered with blue and green spots, which it can spread out like a fan.
2. （尤指男性）骄傲自大的人，爱炫耀的人，衣着花里胡哨的人
If you describe someone, especially a man, as a peacock, you mean that they are arrogant or like dressing or behaving in a way that draws attention to themselves.
1. male peafowl
having a crested head and very large fanlike tail marked with iridescent eyes or spots
2. European butterfly having reddish-brown wings each marked with a purple eyespot
Synonym: peacock butterflyInachis io