The definition of pull through is:
(phrasal verb) to survive something
A: How did you feel after your boyfriend died?
B: I felt very depressed, but my friends supported me a lot. They really helped me pull through.
A: I heard your friend is sick. Do you think he will pull through?
B: Yeah, he only has a cold!
The doctors were relieved when the patient pulled through his serious illness.
Shawn wasn’t worried when his brother had a car accident, because his brother is always pulling through when difficult situations happen.