Definitions
There are 2 meanings of the phrase
Second Wind.
Second Wind - as a noun
Renewed energy or strength to continue an undertaking
Example: "She had dinner and got a second wind to finish painting"
The return of relatively easy breathing after initial exhaustion during continuous exertion
Example Sentences
"After running for several miles, she finally caught her second wind and was able to finish the race."
"Despite feeling tired, he pushed through and found his second wind to complete the project."
"The team was struggling in the first half, but they found their second wind and made a comeback in the game."
"After a short break, she returned to the stage with renewed energy, as if she had found her second wind."
"During the final lap of the race, the runner suddenly experienced a burst of energy, his second wind kicking in."