연줄이 · 연줄을
connections, strings (to pull), pull
Example
그는 연줄을 이용해서 좋은 회사에 들어갔대요.
I heard he used his connections to get into a good company.
Word parts
연 tie
Tie (연) plus native 줄 'string': the strings you can pull; don't confuse with 연줄 'kite string'.
Good to know
Pronounced [연쭐]; 연줄을 대다 means to use a connection to get something.