inside of something idiom
mainly US（时间）少于…
If you do something inside of a particular time, you do it using slightly less than that amout of time.
I should be back inside of two hours. 我应该会在两小时内回来。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。