单词	perfidious
释义	perfidiousper‧fid‧i‧ous /pəˈfɪdiəs $ pər-/ adjective literary Word Origin WORD ORIGINperfidious Origin: 1500-1600 Latin perfidiosus, from perfidia ‘disloyalty’, from perfidus ‘disloyal’, from per fidem decipere ‘to deceive by trust’ Examples EXAMPLES FROM OTHER DICTIONARIES a perfidious scheme EXAMPLES FROM THE CORPUS The air was thick with paranoia as the conversation turned to the perfidious question of appearance money. someone who is perfidious is not loyal and cannot be trusted SYN  treacherous
随便看	Pte pterodactyl PTO Ptolemy ptomaine PTSD pty pub pub-crawl puberty pubes pubescent pubic public public access channel public-address system public affairs publican publication public bar public company public convenience public corporation public defender public domain

英语词典包含52748条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。