Bristling means thick, hairy, and rough. It is used to describe things such as moustaches, beards, or eyebrows.
例句
...a bristling white moustache.浓密的白胡子
ADJ
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.
例句
His bristling determination has become a symbol of England's renaissance.他精力旺盛，坚毅顽强，已经成为英格兰文艺复兴的一个象征。...bristling, exuberant, rock'n'roll.动感十足、活力四射的摇滚乐