The word **逆转** (nì zhuǎn) is formed through the compounding of two meaningful characters: **逆** (nì), which carries the core meaning of "against," "contrary," or "to go in the opposite direction," and **转** (zhuǎn), which means "to turn," "to change," or "to reverse." When combined, they create a metaphorical and dynamic concept where **逆** modifies **转** to specify not just any turn, but a turn *against* the current or expected course. Thus, the compound semantically signifies a dramatic "reversal," "turnaround," or "deterioration" of a situation, emphasizing a shift to the opposite state, as seen in contexts like sports comebacks or worsening medical conditions.