1ADJ [ADJ n](髭须、眉毛等)浓密的,粗硬的Bristling means thick, hairy, and rough. It is used to describe things such as moustaches, beards, or eyebrows. (髭须、眉毛等)浓密的,粗硬的
...a bristling white moustache.
浓密的白胡子
2ADJ [ADJ n]生气勃勃的;精神焕发的 If you describe someone's attitude as bristling, you are emphasizing that it is full of energy and enthusiasm. 生气勃勃的;精神焕发的 [emphasis]
His bristling determination has become a symbol of England's renaissance.