挂钩

掛鉤
guàgōu
  1. to couple; to link; to hook together
  2. (fig.) (preceded by + {entity}) to establish contact (with {entity}); (Tw) to collude (with {entity})
  3. (fig.) to link (marketing efforts with production etc); to peg (welfare payments to inflation etc); to tie (remuneration to performance etc)
  4. hook (on which to hang sth); latch hook; coupling

CEDICT

Entry Composition