东山再起
Stage a comeback.
Bob up like a cork.
He that falls today may rise tomorrow.

eg：The actress staged a comeback with her leading role in that movie.

中英俚语俗语来源：晋书：“谢安初隐东山，后人朝，位登台辅。”

同义词：重整旗鼓 Dig up the hatchet.
反义词：一败涂地 Down and out.