an upstart who makes conceited, sardonic, insolent comments
同义词：wise guy??/??smart aleck??/??wiseacre??/??wisenheimer??/??weisenheimer
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。