重振旗鼓

chóngzhènqígǔ

重振旗鼓 — chóngzhènqígǔ

1. to revive one's efforts; to rally one's forces; to make a renewed effort after a setback

   失败之后，他决定重振旗鼓，再出发。 shībài zhīhòu tā juédìng chóngzhènqígǔ zài chūfā — After the setback, he decided to rally his forces and start again.