back then
1
那时候, 从前
at a previous time in the past
- Back then, people didn’t have smartphones and relied on landlines.
那时候，人们没有智能手机，依赖固定电话。
- He remembers how simple things were back then, without all the modern technology.
他记得那时候没有所有现代技术，事情是多么简单。
- Back then, children played outside more often than they do now.
那时候，孩子们比现在更常在户外玩耍。
- They used to walk to school back then, long before school buses were common.
他们那时候步行上学，远在校车普及之前。
- Back then, the neighborhood was much quieter and less crowded.
那时候，这个街区要安静得多，人也少得多。
同义词：