To pull through is to survive a serious illness or crisis. Expected to pull through, she will pull through, pull through the worst of it.
It is used most about hospitals and carries real hope rather than certainty. The pull suggests effort by the patient, which is part of why families like the phrase.
1phrasepull throughTo survive a serious illness or crisis.
“The doctors think he will pull through, though it was close.”
pull through is a phrase.
Also accepted in games: recover
Practised in Phrasal Verbs