in the days of old

• adv. 从前(在过去的日子里)

in the days of old的用法和样例：

例句

用作副词 (adv.)

1. In former days there was a racecourse here.
   从前这儿有个赛马场。
2. In days of old travelers often fell among thieves.
   从前游客常常碰上坏人。