The party remained on the fringe of the political scene until last year.

直到去年该党还一直处于政治舞台的外围。

《柯林斯英汉双解大词典》

They were not charged until last year.

直到去年他们才被指控。

youdao

Until last year, the author was one of them.

直到去年，作者仍是其中一员。

youdao

Specter had been a Republican senator up until last year, when he switched to the Democratic Party, with the backing of President Barack Obama.

VOA: standard.2010.05.19

But there was an exhibit of jellyfish, I know at least until last year, at the Boston Museum of Science, and all of you guys can get in there free.

但那以前有水母的展示，我知道至少去年有，在波士顿科学博物馆，你们都可以免费去看。

麻省理工公开课 - 化学原理课程节选

And she continued singing in small clubs until the last year of her life.

VOA: special.2009.06.07

Until last year, Portland was the largest city in the U.S. not to approve fluoridation.

WSJ: Fight Over Fluoridated Water Splits Portland's Left

Up until last year, men and women competed together, but now have separate divisions.

CNN: Hot dog eating champs all set for July Fourth contest

Up until last year, men and women held contests together, but now have separate divisions.

CNN: Hot dog champs defend titles in annual showdown