informal + disapprovinga person who tries to impress other people with his or her abilities or possessions
hotshotssmart alecks, smarties, smarty-pants, wiseacres, wiseasses, wise guys, wisenheimers(also weisenheimers)know-alls(chiefly British), know-it-allswisecrackers
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。