self-improvement

美

英

权威英汉双解

self-improvement

1.	（在知识、地位、性格等方面的）自我改进，自我提高the process by which a person improves their knowledge, status, character, etc. by their own efforts

随便看

英汉词典包含292483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。