n.以前的任职者；前任
adj.曾经是(演员，朋友等)的；以前的

Quondam was the name of a small village in medieval times. (quondam是一个中世纪小村庄的名字。
The quondam palace now stands as a museum, preserving history.
昔日的宫殿如今成为博物馆，保存着历史。
Quondam friends often reminisce about their carefree days.
昔日的朋友常常回忆起他们无忧无虑的日子。
The quondam king's castle has been transformed into a modern hotel.
昔日国王的城堡已被改造成现代化酒店。
Quondam rivalries between neighboring towns have long since been resolved.
昔日的邻里之争早已烟消云散。
The old family recipe, once cherished quondam, is now passed down to the younger generation.
曾经备受珍视的家族秘方，如今传给了年轻一代。
The quondam grandeur of the opera house still echoes through the halls.
昔日歌剧院的宏伟仍在回荡。
The quondam bustling market has become a quiet residential area.
昔日繁华的市场现在变成了安静的住宅区。
Quondam enemies became business partners after years of animosity.
昔日的敌人在多年的敌对后成为了商业伙伴。
The quondam legend of the lake monster still captivates locals and tourists alike.
昔日湖怪的传说至今仍吸引着当地人和游客。