KEY: Proficient \\a.\\.SYN: Expert, clever, practised, skilled, trained, versed, advanced,conversant, skilful, competent, well_qualified.ANT: backward, ignorant, unskilled, inconversant, ill-versed,awkward, clumsy.
英语同义词词典收录了7932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。