Someone's last hurrah is their final effort after a long period of work.

Petersen has said that this season will be his last hurrah as a player. 彼得森曾说本赛季将是他运动员生涯的最后一站。

Someone or something's last hurrah is their last period of influence or power.

This huge, unfinished building represents the last hurrah of the former regime. 这座未完工的巨大建筑是上届政府下台前留下的纪念。