the ins and outsnoun [ plural ]
uk/ˌɪnz ənd ˈaʊts/us/ˌɪnz ənd ˈaʊts/C2 the detailed or complicated facts of something:
I know how to use computers, but I don't really understand the ins and outs of how they work.
英语词典包含110679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。