To regain breath or recover; to come back to life or revive (literally regaining breathing, or figuratively becoming lively again).
手術の後、患者は徐々に息を吹き返した。
After the surgery, the patient gradually regained consciousness/strength.
小さな店が改装後に息を吹き返した。
The small shop was revived after the renovation.
チームは連敗の後で息を吹き返し、連勝を始めた。
After a losing streak, the team recovered and began to win consecutively.