unskillfulness resulting from a lack of training
同义词：awkwardness??/??clumsiness??/??ineptitude??/??maladroitness??/??slowness
the quality of having the wrong properties for a specific purpose
同义词：unsuitability??/??unsuitableness
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。