pull strings
US /pʊl strɪŋz/
UK /pʊl strɪŋz/

1.
裏で手を回す, 影響力を行使する
to use one's influence with others to gain an advantage or special favor
:
•
He had to pull strings to get his son into that exclusive school.
彼は息子をその名門校に入れるために裏で手を回す必要があった。
•
She's good at pulling strings to get what she wants.
彼女は欲しいものを手に入れるために裏で手を回すのが得意だ。