first things first idiom
重要的事情先做
used to tell someone that more important things should be done before less important things
First things first, let's have something to eat. 要紧的是，咱们先吃点东西吧。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。