挂钩 (guà gōu): to couple; to link; to hook together; (fig.) (preceded by 與|与[yu3] + {entity}) to establish contact (with {entity}); (Tw) to collude (with {entity}); (fig.) to link (marketing efforts with production etc); to peg (welfare payments to inflation etc); to tie (remuneration to performance etc); hook (on which to hang sth); latch hook; coupling

For safety, we connected the trailer to the truck with an iron hook to ensure they wouldn't come apart while driving.

He climbed to the top of the ladder and fastened the safety belt's hook onto the steel beam before starting work.

This software needs to be coupled with a database in order to read user information in real time.

The company stipulates that employees' bonuses are directly tied to project completion, so everyone works hard.

At the train station, we secured our luggage to the rack with hooks to prevent it from sliding off.