回溯：回到某事物的起源或来源。
重提：回到早期的话题或情况。
循原路而回寻觅嗅迹
... riposte 机敏的反驳或应答... recall 回忆 hark back 折回 ...
... flimsy 无力的，脆弱的 hark back 提到，想到 hymn 圣歌，赞美诗 ...
If it was such a rotten holiday, why hark back to it?.
如果是那么糟糕的一个假期，你干吗还要提它呢？。
Rabbit feet as talismans may hark back to early Celtic tribes in Britain.
兔爪作为护身符可以追溯到英国早期的凯尔特部落。
Many hark back to an era when the state protected them from crude market forces.
很多人回响一个国家保护他们远离粗暴市场力量的时代。
Harp says, "My mind would hark back to the day when I discovered John Coltrane's 'Soul Trane' and Dave Brubeck's 'Time Out' albums in my parent's record collection."
VOA : standard.2010.04.12
PP, meanwhile, likes to hark back to tax cuts when it ran Spain in the late 1990s.
These reports hark back to an era that never was, when the NYSE policed its own house.
Inside the highly secure Cookson factory in Birmingham's jewellery quarter many machines hark back to the firm's long heritage.