| 单词 | proficiency |
| 例句 | proficiency noun •her proficiency was obvious to anyone who sailed with her:skill, expertise, experience, accomplishment, competence, mastery, prowess, professionalism, deftness, adroitness, dexterity, finesse, ability, facility | informal know-how. ANT incompetence. |
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英语同义词词典收录了14896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。