那个爱显摆、总是自吹自擂的家伙真是个自命不凡的花花公子。

That showy guy, always bragging about himself, is such a ___coxcomb.

那只公鸡的鲜红色鸡冠在阳光下闪闪发亮。

The rooster's bright red ___coxcombs glistened in the sunlight.