adj.往昔，过去的，先前的
adv.往昔

The erstwhile rivals shook hands and made up after years of disagreement.
从前的对手们在多年不和后握手言和了。
The erstwhile president's policies are still being debated by politicians today.
这位前任总统的政策至今仍被政客们争论不休。
The erstwhile friends decided to part ways after their disagreement became too intense.
这对曾经的朋友在分歧变得太过激烈后决定分道扬镳。
The building, once an erstwhile factory, has been converted into trendy loft apartments.
那栋昔日的工厂已被改造成了时尚的阁楼公寓。
She reminisced about the erstwhile days when they would spend hours chatting under the old oak tree.
她回忆起往昔的日子，那时他们会花几个小时在老橡树下聊天。
The erstwhile pop star now leads a quiet life away from the limelight.
这位昔日的流行歌星如今过着远离聚光灯的宁静生活。
The erstwhile mansion, now abandoned, stands as a haunting reminder of its glorious past.
那座昔日的宏伟宅邸现在废弃了，矗立在那里，令人想起它辉煌的过去。
He spoke fondly of his erstwhile mentor, who had greatly influenced his career.
他深情地谈起那位对他职业生涯影响深远的昔日导师。
The erstwhile champion struggled to keep up with the new generation of athletes.
这位前冠军努力跟上新一代运动员的步伐。
Returning to her erstwhile home, she felt a wave of nostalgia wash over her.
回到她曾经的家时，一阵怀旧之情涌上心头。