1560s, "formerly," from erst "first, at first; once, long ago; till now" (13c.), earlier erest from Old English ?rest "soonest, earliest," superlative of ?r (see ere) + while (adv.). As an adjective, "former," from 1903. Cognate with Old Saxon and Old High German erist, German erst.
雙語例句
1. His erstwhile friends turned against him.
他先前的朋友轉而與他作對。
來自《權威詞典》
2. He fled to America with Phyllis Burton, an erstwhile friend of his wife's.
他和他妻子以前的一個朋友菲莉絲·伯頓一起逃往美國。
來自柯林斯例句
3. Erstwhile workers may have become managers.
過去的工人可能已經成了經理。
來自辭典例句
4. Panama is indeed now far removed from its erstwhile financial free - for - all.
事實上,現在巴拿馬金融業遠非過去的來者不拒.
來自互聯網
5. Both are in better shape than their erstwhile rivals.