dander
noun [ U ] uk/ˈdæn.dər/ us/ˈdæn.dɚ/
皮屑
pieces of dry skin in an animal's fur or hair
get/have your dander up mainly US informal生气，发怒
to be or to become angry
Both Democrats and Republicans are getting their dander up over this issue. 民主党和共和党对这件事都很气恼。