To rally one's forces and make a comeback after a defeat or setback; to pick oneself up and start anew.
虽然公司在去年遭遇了一些困难，但团队决定重振旗鼓，推出创新产品，争取今年的市场份额。
Although the company encountered some difficulties last year, the team decided to rally and launch innovative products, striving for this year's market share.
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