a person who likes to show off in a clever but annoying waysome smart aleck in the audience kept shouting clever insults at the nervous speaker
some smart aleck in the audience kept shouting clever insults at the nervous speaker
smarties, smarty-pants, wiseacres, wiseasses, wise guys, wisenheimers(also weisenheimers)
know-alls(chiefly British), know-it-allswisecrackershotshots, show-offs
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。