pull (somebody) through phrasal verb ( see also ↑ pull )
1 . to stay alive after you have been very ill or badly injured, or to help someone do this:
His injuries are severe but he’s expected to pull through.
⇨ bring (somebody) through at ↑ bring
2 . to succeed in doing something very difficult, or to help someone to do this:
He relied on his experience to pull him through.