reversing a downward trend; restoring declining fortunes; recovering from a discouraging situation
Formal compound used in business, political, or sports contexts to describe turning around a worsening situation. Often appears in news headlines or formal statements.
The new president stated that he would do his utmost to reverse the company's declining fortunes.
The team tried to turn the tide in the second half, but fell short.
挽回 alone means 'recovery' or 'rally' and is more common. 退勢挽回 specifically adds the nuance of reversing a declining trend or unfavorable situation.
形勢逆転 means 'reversal of the situation' and is similar, but 退勢挽回 emphasizes recovering from a disadvantageous position rather than a simple reversal.
Compound of 退勢 (declining fortunes, downward trend) and 挽回 (recovery, restoration). The exact historical derivation is uncertain, but the components are standard Sino-Japanese morphemes.