have been through the mill idiom informal
经历了许多问题（或困难）
to have had a lot of problems or difficulties
Many people who have been divorced have been through the mill psychologically. 许多离婚的人都经历了大量的心理折磨。
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。