挂钩 (掛鉤) guà​gōu
peg verb
to link, tie, or peg variables together, such as remuneration to performance or welfare to inflation
collude verb
to act in collusion with someone, often for illegal or unethical purposes
establish contact verb
to establish a connection, liaison, or contact with another entity
hook noun
a physical hook, latch, or coupling device used for hanging things or connecting parts
hook together verb
to couple or hook items together physically